20008470944

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{738211}}^1$

素因数の和:738250

約数の個数: 72

約数和(自身を含む): 49483826784

約数和(自身を除く): 29475355840

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 847, 968, 1232, 1694, 1936, 2464, 3388, 3872, 6776, 13552, 27104, 738211, 1476422, 2952844, 5167477, 5905688, 8120321, 10334954, 11811376, 16240642, 20669908, 23622752, 32481284, 41339816, 56842247, 64962568, 82679632, 89323531, 113684494, 129925136, 165359264, 178647062, 227368988, 259850272, 357294124, 454737976, 625264717, 714588248, 909475952, 1250529434, 1429176496, 1818951904, 2501058868, 2858352992, 5002117736, 10004235472, 20008470944]

約数ペア:

[(1, 20008470944), (2, 10004235472), (4, 5002117736), (7, 2858352992), (8, 2501058868), (11, 1818951904), (14, 1429176496), (16, 1250529434), (22, 909475952), (28, 714588248), (32, 625264717), (44, 454737976), (56, 357294124), (77, 259850272), (88, 227368988), (112, 178647062), (121, 165359264), (154, 129925136), (176, 113684494), (224, 89323531), (242, 82679632), (308, 64962568), (352, 56842247), (484, 41339816), (616, 32481284), (847, 23622752), (968, 20669908), (1232, 16240642), (1694, 11811376), (1936, 10334954), (2464, 8120321), (3388, 5905688), (3872, 5167477), (6776, 2952844), (13552, 1476422), (27104, 738211)]