20970120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4723}}^1$

素因数の和:4774

約数の個数: 64

約数和(自身を含む): 64624320

約数和(自身を除く): 43654200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4723, 9446, 14169, 18892, 23615, 28338, 37784, 47230, 56676, 70845, 94460, 113352, 141690, 174751, 188920, 283380, 349502, 524253, 566760, 699004, 873755, 1048506, 1398008, 1747510, 2097012, 2621265, 3495020, 4194024, 5242530, 6990040, 10485060, 20970120]

約数ペア:

[(1, 20970120), (2, 10485060), (3, 6990040), (4, 5242530), (5, 4194024), (6, 3495020), (8, 2621265), (10, 2097012), (12, 1747510), (15, 1398008), (20, 1048506), (24, 873755), (30, 699004), (37, 566760), (40, 524253), (60, 349502), (74, 283380), (111, 188920), (120, 174751), (148, 141690), (185, 113352), (222, 94460), (296, 70845), (370, 56676), (444, 47230), (555, 37784), (740, 28338), (888, 23615), (1110, 18892), (1480, 14169), (2220, 9446), (4440, 4723)]