20673650

素因数分解:

$2^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{1321}}^1$

素因数の和:1646

約数の個数: 24

約数和(自身を含む): 38605044

約数和(自身を除く): 17931394

約数列:

[1, 2, 5, 10, 25, 50, 313, 626, 1321, 1565, 2642, 3130, 6605, 7825, 13210, 15650, 33025, 66050, 413473, 826946, 2067365, 4134730, 10336825, 20673650]

約数ペア:

[(1, 20673650), (2, 10336825), (5, 4134730), (10, 2067365), (25, 826946), (50, 413473), (313, 66050), (626, 33025), (1321, 15650), (1565, 13210), (2642, 7825), (3130, 6605)]