20151550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{13001}}^1$

素因数の和:13044

約数の個数: 24

約数和(自身を含む): 38693952

約数和(自身を除く): 18542402

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 13001, 26002, 65005, 130010, 325025, 403031, 650050, 806062, 2015155, 4030310, 10075775, 20151550]

約数ペア:

[(1, 20151550), (2, 10075775), (5, 4030310), (10, 2015155), (25, 806062), (31, 650050), (50, 403031), (62, 325025), (155, 130010), (310, 65005), (775, 26002), (1550, 13001)]