20085210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 56429568

約数和(自身を除く): 36344358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 310, 313, 345, 414, 465, 558, 626, 690, 713, 930, 939, 1035, 1395, 1426, 1565, 1878, 2070, 2139, 2790, 2817, 3130, 3565, 4278, 4695, 5634, 6417, 7130, 7199, 9390, 9703, 10695, 12834, 14085, 14398, 19406, 21390, 21597, 28170, 29109, 32085, 35995, 43194, 48515, 58218, 64170, 64791, 71990, 87327, 97030, 107985, 129582, 145545, 174654, 215970, 223169, 291090, 323955, 436635, 446338, 647910, 669507, 873270, 1115845, 1339014, 2008521, 2231690, 3347535, 4017042, 6695070, 10042605, 20085210]

約数ペア:

[(1, 20085210), (2, 10042605), (3, 6695070), (5, 4017042), (6, 3347535), (9, 2231690), (10, 2008521), (15, 1339014), (18, 1115845), (23, 873270), (30, 669507), (31, 647910), (45, 446338), (46, 436635), (62, 323955), (69, 291090), (90, 223169), (93, 215970), (115, 174654), (138, 145545), (155, 129582), (186, 107985), (207, 97030), (230, 87327), (279, 71990), (310, 64791), (313, 64170), (345, 58218), (414, 48515), (465, 43194), (558, 35995), (626, 32085), (690, 29109), (713, 28170), (930, 21597), (939, 21390), (1035, 19406), (1395, 14398), (1426, 14085), (1565, 12834), (1878, 10695), (2070, 9703), (2139, 9390), (2790, 7199), (2817, 7130), (3130, 6417), (3565, 5634), (4278, 4695)]