20859140

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6907}}^1$

素因数の和:7067

約数の個数: 24

約数和(自身を含む): 44100672

約数和(自身を除く): 23241532

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6907, 13814, 27628, 34535, 69070, 138140, 1042957, 2085914, 4171828, 5214785, 10429570, 20859140]

約数ペア:

[(1, 20859140), (2, 10429570), (4, 5214785), (5, 4171828), (10, 2085914), (20, 1042957), (151, 138140), (302, 69070), (604, 34535), (755, 27628), (1510, 13814), (3020, 6907)]