13898420

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{883}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 29256864

約数和(自身を除く): 15358444

約数列:

[1, 2, 4, 5, 10, 20, 787, 883, 1574, 1766, 3148, 3532, 3935, 4415, 7870, 8830, 15740, 17660, 694921, 1389842, 2779684, 3474605, 6949210, 13898420]

約数ペア:

[(1, 13898420), (2, 6949210), (4, 3474605), (5, 2779684), (10, 1389842), (20, 694921), (787, 17660), (883, 15740), (1574, 8830), (1766, 7870), (3148, 4415), (3532, 3935)]