20614700

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1202

約数の個数: 36

約数和(自身を含む): 44991912

約数和(自身を除く): 24377212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 977, 1055, 1954, 2110, 3908, 4220, 4885, 5275, 9770, 10550, 19540, 21100, 24425, 48850, 97700, 206147, 412294, 824588, 1030735, 2061470, 4122940, 5153675, 10307350, 20614700]

約数ペア:

[(1, 20614700), (2, 10307350), (4, 5153675), (5, 4122940), (10, 2061470), (20, 1030735), (25, 824588), (50, 412294), (100, 206147), (211, 97700), (422, 48850), (844, 24425), (977, 21100), (1055, 19540), (1954, 10550), (2110, 9770), (3908, 5275), (4220, 4885)]