1021072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4909}}^1$

素因数の和:4930

約数の個数: 20

約数和(自身を含む): 2130940

約数和(自身を除く): 1109868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4909, 9818, 19636, 39272, 63817, 78544, 127634, 255268, 510536, 1021072]

約数ペア:

[(1, 1021072), (2, 510536), (4, 255268), (8, 127634), (13, 78544), (16, 63817), (26, 39272), (52, 19636), (104, 9818), (208, 4909)]