20996933174

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3431993}}^1$

素因数の和:3432044

約数の個数: 32

約数和(自身を含む): 39536570880

約数和(自身を除く): 18539637706

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 3431993, 6863986, 24023951, 48047902, 65207867, 78935839, 130415734, 157871678, 456455069, 552550873, 912910138, 1105101746, 1499780941, 2999561882, 10498466587, 20996933174]

約数ペア:

[(1, 20996933174), (2, 10498466587), (7, 2999561882), (14, 1499780941), (19, 1105101746), (23, 912910138), (38, 552550873), (46, 456455069), (133, 157871678), (161, 130415734), (266, 78935839), (322, 65207867), (437, 48047902), (874, 24023951), (3059, 6863986), (6118, 3431993)]