20198350

素因数分解:

$2^1\times 5^2\times {\mathrm{613}}^1\times {\mathrm{659}}^1$

素因数の和:1284

約数の個数: 24

約数和(自身を含む): 37687320

約数和(自身を除く): 17488970

約数列:

[1, 2, 5, 10, 25, 50, 613, 659, 1226, 1318, 3065, 3295, 6130, 6590, 15325, 16475, 30650, 32950, 403967, 807934, 2019835, 4039670, 10099175, 20198350]

約数ペア:

[(1, 20198350), (2, 10099175), (5, 4039670), (10, 2019835), (25, 807934), (50, 403967), (613, 32950), (659, 30650), (1226, 16475), (1318, 15325), (3065, 6590), (3295, 6130)]