20943750

素因数分解:

$2^1\times 3^1\times 5^5\times {\mathrm{1117}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 52402896

約数和(自身を除く): 31459146

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 625, 750, 1117, 1250, 1875, 2234, 3125, 3351, 3750, 5585, 6250, 6702, 9375, 11170, 16755, 18750, 27925, 33510, 55850, 83775, 139625, 167550, 279250, 418875, 698125, 837750, 1396250, 2094375, 3490625, 4188750, 6981250, 10471875, 20943750]

約数ペア:

[(1, 20943750), (2, 10471875), (3, 6981250), (5, 4188750), (6, 3490625), (10, 2094375), (15, 1396250), (25, 837750), (30, 698125), (50, 418875), (75, 279250), (125, 167550), (150, 139625), (250, 83775), (375, 55850), (625, 33510), (750, 27925), (1117, 18750), (1250, 16755), (1875, 11170), (2234, 9375), (3125, 6702), (3351, 6250), (3750, 5585)]