20123258290

素因数分解:

$2^1\times 5^1\times {\mathrm{3821}}^1\times {\mathrm{526649}}^1$

素因数の和:530477

約数の個数: 16

約数和(自身を含む): 36231413400

約数和(自身を除く): 16108155110

約数列:

[1, 2, 5, 10, 3821, 7642, 19105, 38210, 526649, 1053298, 2633245, 5266490, 2012325829, 4024651658, 10061629145, 20123258290]

約数ペア:

[(1, 20123258290), (2, 10061629145), (5, 4024651658), (10, 2012325829), (3821, 5266490), (7642, 2633245), (19105, 1053298), (38210, 526649)]