20123123778

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{7503029}}^1$

素因数の和:7503186

約数の個数: 24

約数和(自身を含む): 43892725500

約数和(自身を除く): 23769601722

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 7503029, 15006058, 22509087, 45018174, 67527261, 135054522, 1117951321, 2235902642, 3353853963, 6707707926, 10061561889, 20123123778]

約数ペア:

[(1, 20123123778), (2, 10061561889), (3, 6707707926), (6, 3353853963), (9, 2235902642), (18, 1117951321), (149, 135054522), (298, 67527261), (447, 45018174), (894, 22509087), (1341, 15006058), (2682, 7503029)]