20969518640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:804

約数の個数: 240

約数和(自身を含む): 58043999232

約数和(自身を除く): 37074480592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 127, 140, 146, 196, 245, 254, 280, 292, 365, 392, 490, 508, 511, 560, 577, 584, 635, 730, 784, 889, 980, 1016, 1022, 1154, 1168, 1270, 1460, 1778, 1960, 2032, 2044, 2308, 2540, 2555, 2885, 2920, 3556, 3577, 3920, 4039, 4088, 4445, 4616, 5080, 5110, 5770, 5840, 6223, 7112, 7154, 8078, 8176, 8890, 9232, 9271, 10160, 10220, 11540, 12446, 14224, 14308, 16156, 17780, 17885, 18542, 20195, 20440, 23080, 24892, 28273, 28616, 31115, 32312, 35560, 35770, 37084, 40390, 40880, 42121, 46160, 46355, 49784, 56546, 57232, 62230, 64624, 64897, 71120, 71540, 73279, 74168, 80780, 84242, 92710, 99568, 113092, 124460, 129794, 141365, 143080, 146558, 148336, 161560, 168484, 185420, 210605, 226184, 248920, 259588, 282730, 286160, 293116, 294847, 323120, 324485, 336968, 366395, 370840, 421210, 452368, 454279, 497840, 512953, 519176, 565460, 586232, 589694, 648970, 673936, 732790, 741680, 842420, 908558, 1025906, 1038352, 1130920, 1172464, 1179388, 1297940, 1465580, 1474235, 1684840, 1817116, 2051812, 2063929, 2261840, 2271395, 2358776, 2564765, 2595880, 2931160, 2948470, 3369680, 3590671, 3634232, 4103624, 4127858, 4542790, 4717552, 5129530, 5191760, 5349367, 5862320, 5896940, 7181342, 7268464, 8207248, 8255716, 9085580, 10259060, 10319645, 10698734, 11793880, 14362684, 16511432, 17953355, 18171160, 20518120, 20639290, 21397468, 23587760, 26746835, 28725368, 33022864, 35906710, 36342320, 37445569, 41036240, 41278580, 42794936, 53493670, 57450736, 71813420, 74891138, 82557160, 85589872, 106987340, 143626840, 149782276, 165114320, 187227845, 213974680, 262118983, 287253680, 299564552, 374455690, 427949360, 524237966, 599129104, 748911380, 1048475932, 1310594915, 1497822760, 2096951864, 2621189830, 2995645520, 4193903728, 5242379660, 10484759320, 20969518640]

約数ペア:

[(1, 20969518640), (2, 10484759320), (4, 5242379660), (5, 4193903728), (7, 2995645520), (8, 2621189830), (10, 2096951864), (14, 1497822760), (16, 1310594915), (20, 1048475932), (28, 748911380), (35, 599129104), (40, 524237966), (49, 427949360), (56, 374455690), (70, 299564552), (73, 287253680), (80, 262118983), (98, 213974680), (112, 187227845), (127, 165114320), (140, 149782276), (146, 143626840), (196, 106987340), (245, 85589872), (254, 82557160), (280, 74891138), (292, 71813420), (365, 57450736), (392, 53493670), (490, 42794936), (508, 41278580), (511, 41036240), (560, 37445569), (577, 36342320), (584, 35906710), (635, 33022864), (730, 28725368), (784, 26746835), (889, 23587760), (980, 21397468), (1016, 20639290), (1022, 20518120), (1154, 18171160), (1168, 17953355), (1270, 16511432), (1460, 14362684), (1778, 11793880), (1960, 10698734), (2032, 10319645), (2044, 10259060), (2308, 9085580), (2540, 8255716), (2555, 8207248), (2885, 7268464), (2920, 7181342), (3556, 5896940), (3577, 5862320), (3920, 5349367), (4039, 5191760), (4088, 5129530), (4445, 4717552), (4616, 4542790), (5080, 4127858), (5110, 4103624), (5770, 3634232), (5840, 3590671), (6223, 3369680), (7112, 2948470), (7154, 2931160), (8078, 2595880), (8176, 2564765), (8890, 2358776), (9232, 2271395), (9271, 2261840), (10160, 2063929), (10220, 2051812), (11540, 1817116), (12446, 1684840), (14224, 1474235), (14308, 1465580), (16156, 1297940), (17780, 1179388), (17885, 1172464), (18542, 1130920), (20195, 1038352), (20440, 1025906), (23080, 908558), (24892, 842420), (28273, 741680), (28616, 732790), (31115, 673936), (32312, 648970), (35560, 589694), (35770, 586232), (37084, 565460), (40390, 519176), (40880, 512953), (42121, 497840), (46160, 454279), (46355, 452368), (49784, 421210), (56546, 370840), (57232, 366395), (62230, 336968), (64624, 324485), (64897, 323120), (71120, 294847), (71540, 293116), (73279, 286160), (74168, 282730), (80780, 259588), (84242, 248920), (92710, 226184), (99568, 210605), (113092, 185420), (124460, 168484), (129794, 161560), (141365, 148336), (143080, 146558)]