20051091

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10995309

約数列:

[1, 3, 9, 27, 41, 59, 123, 177, 307, 369, 531, 921, 1107, 1593, 2419, 2763, 7257, 8289, 12587, 18113, 21771, 37761, 54339, 65313, 113283, 163017, 339849, 489051, 742633, 2227899, 6683697, 20051091]

約数ペア:

[(1, 20051091), (3, 6683697), (9, 2227899), (27, 742633), (41, 489051), (59, 339849), (123, 163017), (177, 113283), (307, 65313), (369, 54339), (531, 37761), (921, 21771), (1107, 18113), (1593, 12587), (2419, 8289), (2763, 7257)]