20654931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 10863789

約数列:

[1, 3, 11, 29, 33, 87, 113, 191, 319, 339, 573, 957, 1243, 2101, 3277, 3729, 5539, 6303, 9831, 16617, 21583, 36047, 60929, 64749, 108141, 182787, 237413, 625907, 712239, 1877721, 6884977, 20654931]

約数ペア:

[(1, 20654931), (3, 6884977), (11, 1877721), (29, 712239), (33, 625907), (87, 237413), (113, 182787), (191, 108141), (319, 64749), (339, 60929), (573, 36047), (957, 21583), (1243, 16617), (2101, 9831), (3277, 6303), (3729, 5539)]