20121103915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1446001}}^1$

素因数の和:1446051

約数の個数: 24

約数和(自身を含む): 27693830304

約数和(自身を除く): 7572726389

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 13915, 1446001, 7230005, 15906011, 33258023, 79530055, 166290115, 174966121, 365838253, 874830605, 1829191265, 4024220783, 20121103915]

約数ペア:

[(1, 20121103915), (5, 4024220783), (11, 1829191265), (23, 874830605), (55, 365838253), (115, 174966121), (121, 166290115), (253, 79530055), (605, 33258023), (1265, 15906011), (2783, 7230005), (13915, 1446001)]