20156576415

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{239233}}^1$

素因数の和:239419

約数の個数: 32

約数和(自身を含む): 33278406336

約数和(自身を除く): 13121829921

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 411, 615, 685, 2055, 5617, 16851, 28085, 84255, 239233, 717699, 1196165, 3588495, 9808553, 29425659, 32774921, 49042765, 98324763, 147128295, 163874605, 491623815, 1343771761, 4031315283, 6718858805, 20156576415]

約数ペア:

[(1, 20156576415), (3, 6718858805), (5, 4031315283), (15, 1343771761), (41, 491623815), (123, 163874605), (137, 147128295), (205, 98324763), (411, 49042765), (615, 32774921), (685, 29425659), (2055, 9808553), (5617, 3588495), (16851, 1196165), (28085, 717699), (84255, 239233)]