20280491275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4338073}}^1$

素因数の和:4338111

約数の個数: 24

約数和(自身を含む): 29047743504

約数和(自身を除く): 8767252229

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 4338073, 21690365, 47718803, 73747241, 108451825, 238594015, 368736205, 811219651, 1192970075, 1843681025, 4056098255, 20280491275]

約数ペア:

[(1, 20280491275), (5, 4056098255), (11, 1843681025), (17, 1192970075), (25, 811219651), (55, 368736205), (85, 238594015), (187, 108451825), (275, 73747241), (425, 47718803), (935, 21690365), (4675, 4338073)]