20521876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 37255680

約数和(自身を除く): 16733804

約数列:

[1, 2, 4, 31, 62, 124, 359, 461, 718, 922, 1436, 1844, 11129, 14291, 22258, 28582, 44516, 57164, 165499, 330998, 661996, 5130469, 10260938, 20521876]

約数ペア:

[(1, 20521876), (2, 10260938), (4, 5130469), (31, 661996), (62, 330998), (124, 165499), (359, 57164), (461, 44516), (718, 28582), (922, 22258), (1436, 14291), (1844, 11129)]