20305428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11833}}^1$

素因数の和:11864

約数の個数: 48

約数和(自身を含む): 55667136

約数和(自身を除く): 35361708

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11833, 23666, 35499, 47332, 70998, 130163, 141996, 153829, 260326, 307658, 390489, 461487, 520652, 615316, 780978, 922974, 1561956, 1692119, 1845948, 3384238, 5076357, 6768476, 10152714, 20305428]

約数ペア:

[(1, 20305428), (2, 10152714), (3, 6768476), (4, 5076357), (6, 3384238), (11, 1845948), (12, 1692119), (13, 1561956), (22, 922974), (26, 780978), (33, 615316), (39, 520652), (44, 461487), (52, 390489), (66, 307658), (78, 260326), (132, 153829), (143, 141996), (156, 130163), (286, 70998), (429, 47332), (572, 35499), (858, 23666), (1716, 11833)]