20624120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2508

約数の個数: 64

約数和(自身を含む): 53308800

約数和(自身を除く): 32684680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2467, 4180, 4934, 8360, 9868, 12335, 19736, 24670, 27137, 46873, 49340, 54274, 93746, 98680, 108548, 135685, 187492, 217096, 234365, 271370, 374984, 468730, 515603, 542740, 937460, 1031206, 1085480, 1874920, 2062412, 2578015, 4124824, 5156030, 10312060, 20624120]

約数ペア:

[(1, 20624120), (2, 10312060), (4, 5156030), (5, 4124824), (8, 2578015), (10, 2062412), (11, 1874920), (19, 1085480), (20, 1031206), (22, 937460), (38, 542740), (40, 515603), (44, 468730), (55, 374984), (76, 271370), (88, 234365), (95, 217096), (110, 187492), (152, 135685), (190, 108548), (209, 98680), (220, 93746), (380, 54274), (418, 49340), (440, 46873), (760, 27137), (836, 24670), (1045, 19736), (1672, 12335), (2090, 9868), (2467, 8360), (4180, 4934)]