20277350

素因数分解:

$2^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1321}}^1$

素因数の和:1640

約数の個数: 24

約数和(自身を含む): 37867368

約数和(自身を除く): 17590018

約数列:

[1, 2, 5, 10, 25, 50, 307, 614, 1321, 1535, 2642, 3070, 6605, 7675, 13210, 15350, 33025, 66050, 405547, 811094, 2027735, 4055470, 10138675, 20277350]

約数ペア:

[(1, 20277350), (2, 10138675), (5, 4055470), (10, 2027735), (25, 811094), (50, 405547), (307, 66050), (614, 33025), (1321, 15350), (1535, 13210), (2642, 7675), (3070, 6605)]