20270200

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 48244680

約数和(自身を除く): 27974480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 2357, 4300, 4714, 8600, 9428, 11785, 18856, 23570, 47140, 58925, 94280, 101351, 117850, 202702, 235700, 405404, 471400, 506755, 810808, 1013510, 2027020, 2533775, 4054040, 5067550, 10135100, 20270200]

約数ペア:

[(1, 20270200), (2, 10135100), (4, 5067550), (5, 4054040), (8, 2533775), (10, 2027020), (20, 1013510), (25, 810808), (40, 506755), (43, 471400), (50, 405404), (86, 235700), (100, 202702), (172, 117850), (200, 101351), (215, 94280), (344, 58925), (430, 47140), (860, 23570), (1075, 18856), (1720, 11785), (2150, 9428), (2357, 8600), (4300, 4714)]