20736559870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{509623}}^1$

素因数の和:509956

約数の個数: 32

約数和(自身を含む): 40325527872

約数和(自身を除く): 19588968002

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 313, 626, 1565, 3130, 4069, 8138, 20345, 40690, 509623, 1019246, 2548115, 5096230, 6625099, 13250198, 33125495, 66250990, 159511999, 319023998, 797559995, 1595119990, 2073655987, 4147311974, 10368279935, 20736559870]

約数ペア:

[(1, 20736559870), (2, 10368279935), (5, 4147311974), (10, 2073655987), (13, 1595119990), (26, 797559995), (65, 319023998), (130, 159511999), (313, 66250990), (626, 33125495), (1565, 13250198), (3130, 6625099), (4069, 5096230), (8138, 2548115), (20345, 1019246), (40690, 509623)]