20331400

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1798

約数の個数: 48

約数和(自身を含む): 48099600

約数和(自身を除く): 27768200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 200, 236, 295, 472, 590, 1180, 1475, 1723, 2360, 2950, 3446, 5900, 6892, 8615, 11800, 13784, 17230, 34460, 43075, 68920, 86150, 101657, 172300, 203314, 344600, 406628, 508285, 813256, 1016570, 2033140, 2541425, 4066280, 5082850, 10165700, 20331400]

約数ペア:

[(1, 20331400), (2, 10165700), (4, 5082850), (5, 4066280), (8, 2541425), (10, 2033140), (20, 1016570), (25, 813256), (40, 508285), (50, 406628), (59, 344600), (100, 203314), (118, 172300), (200, 101657), (236, 86150), (295, 68920), (472, 43075), (590, 34460), (1180, 17230), (1475, 13784), (1723, 11800), (2360, 8615), (2950, 6892), (3446, 5900)]