20828451

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 34449408

約数和(自身を除く): 13620957

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 1423, 2091, 4269, 4879, 9961, 14637, 24191, 29883, 58343, 72573, 169337, 175029, 408401, 508011, 991831, 1225203, 2975493, 6942817, 20828451]

約数ペア:

[(1, 20828451), (3, 6942817), (7, 2975493), (17, 1225203), (21, 991831), (41, 508011), (51, 408401), (119, 175029), (123, 169337), (287, 72573), (357, 58343), (697, 29883), (861, 24191), (1423, 14637), (2091, 9961), (4269, 4879)]