20199015700

素因数分解:

$2^2\times 5^2\times {\mathrm{1597}}^1\times {\mathrm{126481}}^1$

素因数の和:128092

約数の個数: 36

約数和(自身を含む): 43859657212

約数和(自身を除く): 23660641512

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1597, 3194, 6388, 7985, 15970, 31940, 39925, 79850, 126481, 159700, 252962, 505924, 632405, 1264810, 2529620, 3162025, 6324050, 12648100, 201990157, 403980314, 807960628, 1009950785, 2019901570, 4039803140, 5049753925, 10099507850, 20199015700]

約数ペア:

[(1, 20199015700), (2, 10099507850), (4, 5049753925), (5, 4039803140), (10, 2019901570), (20, 1009950785), (25, 807960628), (50, 403980314), (100, 201990157), (1597, 12648100), (3194, 6324050), (6388, 3162025), (7985, 2529620), (15970, 1264810), (31940, 632405), (39925, 505924), (79850, 252962), (126481, 159700)]