20977500

素因数分解:

$2^2\times 3^1\times 5^4\times {\mathrm{2797}}^1$

素因数の和:2824

約数の個数: 60

約数和(自身を含む): 61186664

約数和(自身を除く): 40209164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 750, 1250, 1500, 1875, 2500, 2797, 3750, 5594, 7500, 8391, 11188, 13985, 16782, 27970, 33564, 41955, 55940, 69925, 83910, 139850, 167820, 209775, 279700, 349625, 419550, 699250, 839100, 1048875, 1398500, 1748125, 2097750, 3496250, 4195500, 5244375, 6992500, 10488750, 20977500]

約数ペア:

[(1, 20977500), (2, 10488750), (3, 6992500), (4, 5244375), (5, 4195500), (6, 3496250), (10, 2097750), (12, 1748125), (15, 1398500), (20, 1048875), (25, 839100), (30, 699250), (50, 419550), (60, 349625), (75, 279700), (100, 209775), (125, 167820), (150, 139850), (250, 83910), (300, 69925), (375, 55940), (500, 41955), (625, 33564), (750, 27970), (1250, 16782), (1500, 13985), (1875, 11188), (2500, 8391), (2797, 7500), (3750, 5594)]