20512622590

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1\times {\mathrm{13003}}^1$

素因数の和:15244

約数の個数: 32

約数和(自身を含む): 37448711136

約数和(自身を除く): 16936088546

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 2161, 4322, 10805, 13003, 21610, 26006, 65015, 130030, 157753, 315506, 788765, 949219, 1577530, 1898438, 4746095, 9492190, 28099483, 56198966, 140497415, 280994830, 2051262259, 4102524518, 10256311295, 20512622590]

約数ペア:

[(1, 20512622590), (2, 10256311295), (5, 4102524518), (10, 2051262259), (73, 280994830), (146, 140497415), (365, 56198966), (730, 28099483), (2161, 9492190), (4322, 4746095), (10805, 1898438), (13003, 1577530), (21610, 949219), (26006, 788765), (65015, 315506), (130030, 157753)]