20879742

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6529}}^1$

素因数の和:6588

約数の個数: 32

約数和(自身を含む): 46075680

約数和(自身を除く): 25195938

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 6529, 13058, 19587, 39174, 84877, 169754, 254631, 267689, 509262, 535378, 803067, 1606134, 3479957, 6959914, 10439871, 20879742]

約数ペア:

[(1, 20879742), (2, 10439871), (3, 6959914), (6, 3479957), (13, 1606134), (26, 803067), (39, 535378), (41, 509262), (78, 267689), (82, 254631), (123, 169754), (246, 84877), (533, 39174), (1066, 19587), (1599, 13058), (3198, 6529)]