20671761

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 31481856

約数和(自身を除く): 10810095

約数列:

[1, 3, 11, 31, 33, 93, 121, 167, 341, 363, 501, 1023, 1331, 1837, 3751, 3993, 5177, 5511, 11253, 15531, 20207, 41261, 56947, 60621, 123783, 170841, 222277, 626417, 666831, 1879251, 6890587, 20671761]

約数ペア:

[(1, 20671761), (3, 6890587), (11, 1879251), (31, 666831), (33, 626417), (93, 222277), (121, 170841), (167, 123783), (341, 60621), (363, 56947), (501, 41261), (1023, 20207), (1331, 15531), (1837, 11253), (3751, 5511), (3993, 5177)]