20265800

素因数分解:

$2^3\times 5^2\times {\mathrm{107}}^1\times {\mathrm{947}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 47608560

約数和(自身を除く): 27342760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 107, 200, 214, 428, 535, 856, 947, 1070, 1894, 2140, 2675, 3788, 4280, 4735, 5350, 7576, 9470, 10700, 18940, 21400, 23675, 37880, 47350, 94700, 101329, 189400, 202658, 405316, 506645, 810632, 1013290, 2026580, 2533225, 4053160, 5066450, 10132900, 20265800]

約数ペア:

[(1, 20265800), (2, 10132900), (4, 5066450), (5, 4053160), (8, 2533225), (10, 2026580), (20, 1013290), (25, 810632), (40, 506645), (50, 405316), (100, 202658), (107, 189400), (200, 101329), (214, 94700), (428, 47350), (535, 37880), (856, 23675), (947, 21400), (1070, 18940), (1894, 10700), (2140, 9470), (2675, 7576), (3788, 5350), (4280, 4735)]