20393295

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4547}}^1$

素因数の和:4591

約数の個数: 32

約数和(自身を含む): 36675072

約数和(自身を除く): 16281777

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4547, 13641, 22735, 59111, 68205, 104581, 177333, 295555, 313743, 522905, 886665, 1359553, 1568715, 4078659, 6797765, 20393295]

約数ペア:

[(1, 20393295), (3, 6797765), (5, 4078659), (13, 1568715), (15, 1359553), (23, 886665), (39, 522905), (65, 313743), (69, 295555), (115, 177333), (195, 104581), (299, 68205), (345, 59111), (897, 22735), (1495, 13641), (4485, 4547)]