20637416

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{617}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 40157640

約数和(自身を除く): 19520224

約数列:

[1, 2, 4, 8, 37, 74, 113, 148, 226, 296, 452, 617, 904, 1234, 2468, 4181, 4936, 8362, 16724, 22829, 33448, 45658, 69721, 91316, 139442, 182632, 278884, 557768, 2579677, 5159354, 10318708, 20637416]

約数ペア:

[(1, 20637416), (2, 10318708), (4, 5159354), (8, 2579677), (37, 557768), (74, 278884), (113, 182632), (148, 139442), (226, 91316), (296, 69721), (452, 45658), (617, 33448), (904, 22829), (1234, 16724), (2468, 8362), (4181, 4936)]