20468600

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 48512520

約数和(自身を除く): 28043920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 100, 106, 200, 212, 265, 424, 530, 1060, 1325, 1931, 2120, 2650, 3862, 5300, 7724, 9655, 10600, 15448, 19310, 38620, 48275, 77240, 96550, 102343, 193100, 204686, 386200, 409372, 511715, 818744, 1023430, 2046860, 2558575, 4093720, 5117150, 10234300, 20468600]

約数ペア:

[(1, 20468600), (2, 10234300), (4, 5117150), (5, 4093720), (8, 2558575), (10, 2046860), (20, 1023430), (25, 818744), (40, 511715), (50, 409372), (53, 386200), (100, 204686), (106, 193100), (200, 102343), (212, 96550), (265, 77240), (424, 48275), (530, 38620), (1060, 19310), (1325, 15448), (1931, 10600), (2120, 9655), (2650, 7724), (3862, 5300)]