20214974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 14513986

約数列:

[1, 2, 13, 19, 26, 38, 151, 247, 271, 302, 494, 542, 1963, 2869, 3523, 3926, 5149, 5738, 7046, 10298, 37297, 40921, 66937, 74594, 81842, 133874, 531973, 777499, 1063946, 1554998, 10107487, 20214974]

約数ペア:

[(1, 20214974), (2, 10107487), (13, 1554998), (19, 1063946), (26, 777499), (38, 531973), (151, 133874), (247, 81842), (271, 74594), (302, 66937), (494, 40921), (542, 37297), (1963, 10298), (2869, 7046), (3523, 5738), (3926, 5149)]