20564450

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6971}}^1$

素因数の和:7042

約数の個数: 24

約数和(自身を含む): 38903760

約数和(自身を除く): 18339310

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 1475, 2950, 6971, 13942, 34855, 69710, 174275, 348550, 411289, 822578, 2056445, 4112890, 10282225, 20564450]

約数ペア:

[(1, 20564450), (2, 10282225), (5, 4112890), (10, 2056445), (25, 822578), (50, 411289), (59, 348550), (118, 174275), (295, 69710), (590, 34855), (1475, 13942), (2950, 6971)]