20163256575

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3491473}}^1$

素因数の和:3491504

約数の個数: 48

約数和(自身を含む): 41562506496

約数和(自身を除く): 21399249921

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 5775, 3491473, 10474419, 17457365, 24440311, 38406203, 52372095, 73320933, 87286825, 115218609, 122201555, 192031015, 261860475, 268843421, 366604665, 576093045, 611007775, 806530263, 960155075, 1344217105, 1833023325, 2880465225, 4032651315, 6721085525, 20163256575]

約数ペア:

[(1, 20163256575), (3, 6721085525), (5, 4032651315), (7, 2880465225), (11, 1833023325), (15, 1344217105), (21, 960155075), (25, 806530263), (33, 611007775), (35, 576093045), (55, 366604665), (75, 268843421), (77, 261860475), (105, 192031015), (165, 122201555), (175, 115218609), (231, 87286825), (275, 73320933), (385, 52372095), (525, 38406203), (825, 24440311), (1155, 17457365), (1925, 10474419), (5775, 3491473)]