20215848

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 34273752

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 43, 57, 76, 86, 114, 129, 152, 172, 228, 258, 344, 456, 516, 817, 1031, 1032, 1634, 2062, 2451, 3093, 3268, 4124, 4902, 6186, 6536, 8248, 9804, 12372, 19589, 19608, 24744, 39178, 44333, 58767, 78356, 88666, 117534, 132999, 156712, 177332, 235068, 265998, 354664, 470136, 531996, 842327, 1063992, 1684654, 2526981, 3369308, 5053962, 6738616, 10107924, 20215848]

約数ペア:

[(1, 20215848), (2, 10107924), (3, 6738616), (4, 5053962), (6, 3369308), (8, 2526981), (12, 1684654), (19, 1063992), (24, 842327), (38, 531996), (43, 470136), (57, 354664), (76, 265998), (86, 235068), (114, 177332), (129, 156712), (152, 132999), (172, 117534), (228, 88666), (258, 78356), (344, 58767), (456, 44333), (516, 39178), (817, 24744), (1031, 19608), (1032, 19589), (1634, 12372), (2062, 9804), (2451, 8248), (3093, 6536), (3268, 6186), (4124, 4902)]