20660700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1129}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 60812080

約数和(自身を除く): 40151380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1129, 1220, 1525, 1830, 2258, 3050, 3387, 3660, 4516, 4575, 5645, 6100, 6774, 9150, 11290, 13548, 16935, 18300, 22580, 28225, 33870, 56450, 67740, 68869, 84675, 112900, 137738, 169350, 206607, 275476, 338700, 344345, 413214, 688690, 826428, 1033035, 1377380, 1721725, 2066070, 3443450, 4132140, 5165175, 6886900, 10330350, 20660700]

約数ペア:

[(1, 20660700), (2, 10330350), (3, 6886900), (4, 5165175), (5, 4132140), (6, 3443450), (10, 2066070), (12, 1721725), (15, 1377380), (20, 1033035), (25, 826428), (30, 688690), (50, 413214), (60, 344345), (61, 338700), (75, 275476), (100, 206607), (122, 169350), (150, 137738), (183, 112900), (244, 84675), (300, 68869), (305, 67740), (366, 56450), (610, 33870), (732, 28225), (915, 22580), (1129, 18300), (1220, 16935), (1525, 13548), (1830, 11290), (2258, 9150), (3050, 6774), (3387, 6100), (3660, 5645), (4516, 4575)]