20889106

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2237}}^1$

素因数の和:2298

約数の個数: 32

約数和(自身を含む): 38672640

約数和(自身を除く): 17783534

約数列:

[1, 2, 7, 14, 23, 29, 46, 58, 161, 203, 322, 406, 667, 1334, 2237, 4474, 4669, 9338, 15659, 31318, 51451, 64873, 102902, 129746, 360157, 454111, 720314, 908222, 1492079, 2984158, 10444553, 20889106]

約数ペア:

[(1, 20889106), (2, 10444553), (7, 2984158), (14, 1492079), (23, 908222), (29, 720314), (46, 454111), (58, 360157), (161, 129746), (203, 102902), (322, 64873), (406, 51451), (667, 31318), (1334, 15659), (2237, 9338), (4474, 4669)]