206564420

素因数分解:

$2^2\times 5^1\times {\mathrm{1699}}^1\times {\mathrm{6079}}^1$

素因数の和:7787

約数の個数: 24

約数和(自身を含む): 434112000

約数和(自身を除く): 227547580

約数列:

[1, 2, 4, 5, 10, 20, 1699, 3398, 6079, 6796, 8495, 12158, 16990, 24316, 30395, 33980, 60790, 121580, 10328221, 20656442, 41312884, 51641105, 103282210, 206564420]

約数ペア:

[(1, 206564420), (2, 103282210), (4, 51641105), (5, 41312884), (10, 20656442), (20, 10328221), (1699, 121580), (3398, 60790), (6079, 33980), (6796, 30395), (8495, 24316), (12158, 16990)]