20308440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2039}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 41381160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2039, 2490, 3320, 4078, 4980, 6117, 8156, 9960, 10195, 12234, 16312, 20390, 24468, 30585, 40780, 48936, 61170, 81560, 122340, 169237, 244680, 338474, 507711, 676948, 846185, 1015422, 1353896, 1692370, 2030844, 2538555, 3384740, 4061688, 5077110, 6769480, 10154220, 20308440]

約数ペア:

[(1, 20308440), (2, 10154220), (3, 6769480), (4, 5077110), (5, 4061688), (6, 3384740), (8, 2538555), (10, 2030844), (12, 1692370), (15, 1353896), (20, 1015422), (24, 846185), (30, 676948), (40, 507711), (60, 338474), (83, 244680), (120, 169237), (166, 122340), (249, 81560), (332, 61170), (415, 48936), (498, 40780), (664, 30585), (830, 24468), (996, 20390), (1245, 16312), (1660, 12234), (1992, 10195), (2039, 9960), (2490, 8156), (3320, 6117), (4078, 4980)]