20123961050

素因数分解:

$2^1\times 5^2\times {\mathrm{1021}}^1\times {\mathrm{394201}}^1$

素因数の和:395234

約数の個数: 24

約数和(自身を含む): 37467323292

約数和(自身を除く): 17343362242

約数列:

[1, 2, 5, 10, 25, 50, 1021, 2042, 5105, 10210, 25525, 51050, 394201, 788402, 1971005, 3942010, 9855025, 19710050, 402479221, 804958442, 2012396105, 4024792210, 10061980525, 20123961050]

約数ペア:

[(1, 20123961050), (2, 10061980525), (5, 4024792210), (10, 2012396105), (25, 804958442), (50, 402479221), (1021, 19710050), (2042, 9855025), (5105, 3942010), (10210, 1971005), (25525, 788402), (51050, 394201)]