20958806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:380

約数の個数: 32

約数和(自身を含む): 35544960

約数和(自身を除く): 14586154

約数列:

[1, 2, 11, 22, 59, 67, 118, 134, 241, 482, 649, 737, 1298, 1474, 2651, 3953, 5302, 7906, 14219, 16147, 28438, 32294, 43483, 86966, 156409, 177617, 312818, 355234, 952673, 1905346, 10479403, 20958806]

約数ペア:

[(1, 20958806), (2, 10479403), (11, 1905346), (22, 952673), (59, 355234), (67, 312818), (118, 177617), (134, 156409), (241, 86966), (482, 43483), (649, 32294), (737, 28438), (1298, 16147), (1474, 14219), (2651, 7906), (3953, 5302)]