20124146

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 15956494

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 434, 521, 623, 1042, 1246, 2759, 3647, 5518, 7294, 16151, 19313, 32302, 38626, 46369, 92738, 113057, 226114, 324583, 649166, 1437439, 2874878, 10062073, 20124146]

約数ペア:

[(1, 20124146), (2, 10062073), (7, 2874878), (14, 1437439), (31, 649166), (62, 324583), (89, 226114), (178, 113057), (217, 92738), (434, 46369), (521, 38626), (623, 32302), (1042, 19313), (1246, 16151), (2759, 7294), (3647, 5518)]