20735600

素因数分解:

$2^4\times 5^2\times {\mathrm{51839}}^1$

素因数の和:51857

約数の個数: 30

約数和(自身を含む): 49818240

約数和(自身を除く): 29082640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51839, 103678, 207356, 259195, 414712, 518390, 829424, 1036780, 1295975, 2073560, 2591950, 4147120, 5183900, 10367800, 20735600]

約数ペア:

[(1, 20735600), (2, 10367800), (4, 5183900), (5, 4147120), (8, 2591950), (10, 2073560), (16, 1295975), (20, 1036780), (25, 829424), (40, 518390), (50, 414712), (80, 259195), (100, 207356), (200, 103678), (400, 51839)]