20010904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147139}}^1$

素因数の和:147162

約数の個数: 16

約数和(自身を含む): 39727800

約数和(自身を除く): 19716896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147139, 294278, 588556, 1177112, 2501363, 5002726, 10005452, 20010904]

約数ペア:

[(1, 20010904), (2, 10005452), (4, 5002726), (8, 2501363), (17, 1177112), (34, 588556), (68, 294278), (136, 147139)]