20677750

素因数分解:

$2^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{773}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 39121056

約数和(自身を除く): 18443306

約数列:

[1, 2, 5, 10, 25, 50, 107, 125, 214, 250, 535, 773, 1070, 1546, 2675, 3865, 5350, 7730, 13375, 19325, 26750, 38650, 82711, 96625, 165422, 193250, 413555, 827110, 2067775, 4135550, 10338875, 20677750]

約数ペア:

[(1, 20677750), (2, 10338875), (5, 4135550), (10, 2067775), (25, 827110), (50, 413555), (107, 193250), (125, 165422), (214, 96625), (250, 82711), (535, 38650), (773, 26750), (1070, 19325), (1546, 13375), (2675, 7730), (3865, 5350)]