20298775178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{2191619}}^1$

素因数の和:2192053

約数の個数: 16

約数和(自身を含む): 33295091040

約数和(自身を除く): 12996315862

約数列:

[1, 2, 11, 22, 421, 842, 4631, 9262, 2191619, 4383238, 24107809, 48215618, 922671599, 1845343198, 10149387589, 20298775178]

約数ペア:

[(1, 20298775178), (2, 10149387589), (11, 1845343198), (22, 922671599), (421, 48215618), (842, 24107809), (4631, 4383238), (9262, 2191619)]