20939800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14957}}^1$

素因数の和:14980

約数の個数: 48

約数和(自身を含む): 55643760

約数和(自身を除く): 34703960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14957, 29914, 59828, 74785, 104699, 119656, 149570, 209398, 299140, 373925, 418796, 523495, 598280, 747850, 837592, 1046990, 1495700, 2093980, 2617475, 2991400, 4187960, 5234950, 10469900, 20939800]

約数ペア:

[(1, 20939800), (2, 10469900), (4, 5234950), (5, 4187960), (7, 2991400), (8, 2617475), (10, 2093980), (14, 1495700), (20, 1046990), (25, 837592), (28, 747850), (35, 598280), (40, 523495), (50, 418796), (56, 373925), (70, 299140), (100, 209398), (140, 149570), (175, 119656), (200, 104699), (280, 74785), (350, 59828), (700, 29914), (1400, 14957)]