20199832520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{77489}}^1$

素因数の和:77540

約数の個数: 128

約数和(自身を含む): 55792800000

約数和(自身を除く): 35592967480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 343, 380, 392, 490, 532, 665, 686, 760, 931, 980, 1064, 1330, 1372, 1715, 1862, 1960, 2660, 2744, 3430, 3724, 4655, 5320, 6517, 6860, 7448, 9310, 13034, 13720, 18620, 26068, 32585, 37240, 52136, 65170, 77489, 130340, 154978, 260680, 309956, 387445, 542423, 619912, 774890, 1084846, 1472291, 1549780, 2169692, 2712115, 2944582, 3099560, 3796961, 4339384, 5424230, 5889164, 7361455, 7593922, 10306037, 10848460, 11778328, 14722910, 15187844, 18984805, 20612074, 21696920, 26578727, 29445820, 30375688, 37969610, 41224148, 51530185, 53157454, 58891640, 72142259, 75939220, 82448296, 103060370, 106314908, 132893635, 144284518, 151878440, 206120740, 212629816, 265787270, 288569036, 360711295, 412241480, 504995813, 531574540, 577138072, 721422590, 1009991626, 1063149080, 1442845180, 2019983252, 2524979065, 2885690360, 4039966504, 5049958130, 10099916260, 20199832520]

約数ペア:

[(1, 20199832520), (2, 10099916260), (4, 5049958130), (5, 4039966504), (7, 2885690360), (8, 2524979065), (10, 2019983252), (14, 1442845180), (19, 1063149080), (20, 1009991626), (28, 721422590), (35, 577138072), (38, 531574540), (40, 504995813), (49, 412241480), (56, 360711295), (70, 288569036), (76, 265787270), (95, 212629816), (98, 206120740), (133, 151878440), (140, 144284518), (152, 132893635), (190, 106314908), (196, 103060370), (245, 82448296), (266, 75939220), (280, 72142259), (343, 58891640), (380, 53157454), (392, 51530185), (490, 41224148), (532, 37969610), (665, 30375688), (686, 29445820), (760, 26578727), (931, 21696920), (980, 20612074), (1064, 18984805), (1330, 15187844), (1372, 14722910), (1715, 11778328), (1862, 10848460), (1960, 10306037), (2660, 7593922), (2744, 7361455), (3430, 5889164), (3724, 5424230), (4655, 4339384), (5320, 3796961), (6517, 3099560), (6860, 2944582), (7448, 2712115), (9310, 2169692), (13034, 1549780), (13720, 1472291), (18620, 1084846), (26068, 774890), (32585, 619912), (37240, 542423), (52136, 387445), (65170, 309956), (77489, 260680), (130340, 154978)]