20135133020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{444877}}^1$

素因数の和:444990

約数の個数: 48

約数和(自身を含む): 44245786368

約数和(自身を除く): 24110653348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 146, 155, 292, 310, 365, 620, 730, 1460, 2263, 4526, 9052, 11315, 22630, 45260, 444877, 889754, 1779508, 2224385, 4448770, 8897540, 13791187, 27582374, 32476021, 55164748, 64952042, 68955935, 129904084, 137911870, 162380105, 275823740, 324760210, 649520420, 1006756651, 2013513302, 4027026604, 5033783255, 10067566510, 20135133020]

約数ペア:

[(1, 20135133020), (2, 10067566510), (4, 5033783255), (5, 4027026604), (10, 2013513302), (20, 1006756651), (31, 649520420), (62, 324760210), (73, 275823740), (124, 162380105), (146, 137911870), (155, 129904084), (292, 68955935), (310, 64952042), (365, 55164748), (620, 32476021), (730, 27582374), (1460, 13791187), (2263, 8897540), (4526, 4448770), (9052, 2224385), (11315, 1779508), (22630, 889754), (45260, 444877)]