20447040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:117

約数の個数: 168

約数和(自身を含む): 69677280

約数和(自身を除く): 49230240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 59, 60, 64, 76, 80, 95, 96, 114, 118, 120, 152, 160, 177, 190, 192, 228, 236, 240, 285, 295, 304, 320, 354, 361, 380, 456, 472, 480, 570, 590, 608, 708, 722, 760, 885, 912, 944, 960, 1083, 1121, 1140, 1180, 1216, 1416, 1444, 1520, 1770, 1805, 1824, 1888, 2166, 2242, 2280, 2360, 2832, 2888, 3040, 3363, 3540, 3610, 3648, 3776, 4332, 4484, 4560, 4720, 5415, 5605, 5664, 5776, 6080, 6726, 7080, 7220, 8664, 8968, 9120, 9440, 10830, 11210, 11328, 11552, 13452, 14160, 14440, 16815, 17328, 17936, 18240, 18880, 21299, 21660, 22420, 23104, 26904, 28320, 28880, 33630, 34656, 35872, 42598, 43320, 44840, 53808, 56640, 57760, 63897, 67260, 69312, 71744, 85196, 86640, 89680, 106495, 107616, 115520, 127794, 134520, 170392, 173280, 179360, 212990, 215232, 255588, 269040, 319485, 340784, 346560, 358720, 425980, 511176, 538080, 638970, 681568, 851960, 1022352, 1076160, 1277940, 1363136, 1703920, 2044704, 2555880, 3407840, 4089408, 5111760, 6815680, 10223520, 20447040]

約数ペア:

[(1, 20447040), (2, 10223520), (3, 6815680), (4, 5111760), (5, 4089408), (6, 3407840), (8, 2555880), (10, 2044704), (12, 1703920), (15, 1363136), (16, 1277940), (19, 1076160), (20, 1022352), (24, 851960), (30, 681568), (32, 638970), (38, 538080), (40, 511176), (48, 425980), (57, 358720), (59, 346560), (60, 340784), (64, 319485), (76, 269040), (80, 255588), (95, 215232), (96, 212990), (114, 179360), (118, 173280), (120, 170392), (152, 134520), (160, 127794), (177, 115520), (190, 107616), (192, 106495), (228, 89680), (236, 86640), (240, 85196), (285, 71744), (295, 69312), (304, 67260), (320, 63897), (354, 57760), (361, 56640), (380, 53808), (456, 44840), (472, 43320), (480, 42598), (570, 35872), (590, 34656), (608, 33630), (708, 28880), (722, 28320), (760, 26904), (885, 23104), (912, 22420), (944, 21660), (960, 21299), (1083, 18880), (1121, 18240), (1140, 17936), (1180, 17328), (1216, 16815), (1416, 14440), (1444, 14160), (1520, 13452), (1770, 11552), (1805, 11328), (1824, 11210), (1888, 10830), (2166, 9440), (2242, 9120), (2280, 8968), (2360, 8664), (2832, 7220), (2888, 7080), (3040, 6726), (3363, 6080), (3540, 5776), (3610, 5664), (3648, 5605), (3776, 5415), (4332, 4720), (4484, 4560)]