20747763

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{953}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 31253040

約数和(自身を除く): 10505277

約数列:

[1, 3, 9, 41, 59, 123, 177, 369, 531, 953, 2419, 2859, 7257, 8577, 21771, 39073, 56227, 117219, 168681, 351657, 506043, 2305307, 6915921, 20747763]

約数ペア:

[(1, 20747763), (3, 6915921), (9, 2305307), (41, 506043), (59, 351657), (123, 168681), (177, 117219), (369, 56227), (531, 39073), (953, 21771), (2419, 8577), (2859, 7257)]