20218756318

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1\times {\mathrm{650581}}^1$

素因数の和:651003

約数の個数: 16

約数和(自身を含む): 31149866160

約数和(自身を除く): 10931109842

約数列:

[1, 2, 41, 82, 379, 758, 15539, 31078, 650581, 1301162, 26673821, 53347642, 246570199, 493140398, 10109378159, 20218756318]

約数ペア:

[(1, 20218756318), (2, 10109378159), (41, 493140398), (82, 246570199), (379, 53347642), (758, 26673821), (15539, 1301162), (31078, 650581)]