20163702920

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{655517}}^1$

素因数の和:656297

約数の個数: 32

約数和(自身を含む): 45427397400

約数和(自身を除く): 25263694480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 6152, 7690, 15380, 30760, 655517, 1311034, 2622068, 3277585, 5244136, 6555170, 13110340, 26220680, 504092573, 1008185146, 2016370292, 2520462865, 4032740584, 5040925730, 10081851460, 20163702920]

約数ペア:

[(1, 20163702920), (2, 10081851460), (4, 5040925730), (5, 4032740584), (8, 2520462865), (10, 2016370292), (20, 1008185146), (40, 504092573), (769, 26220680), (1538, 13110340), (3076, 6555170), (3845, 5244136), (6152, 3277585), (7690, 2622068), (15380, 1311034), (30760, 655517)]