20565545080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16585117}}^1$

素因数の和:16585159

約数の個数: 32

約数和(自身を含む): 47765139840

約数和(自身を除く): 27199594760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16585117, 33170234, 66340468, 82925585, 132680936, 165851170, 331702340, 514138627, 663404680, 1028277254, 2056554508, 2570693135, 4113109016, 5141386270, 10282772540, 20565545080]

約数ペア:

[(1, 20565545080), (2, 10282772540), (4, 5141386270), (5, 4113109016), (8, 2570693135), (10, 2056554508), (20, 1028277254), (31, 663404680), (40, 514138627), (62, 331702340), (124, 165851170), (155, 132680936), (248, 82925585), (310, 66340468), (620, 33170234), (1240, 16585117)]