13396420

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2113}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 28234584

約数和(自身を除く): 14838164

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 2113, 3170, 4226, 6340, 8452, 10565, 21130, 42260, 669821, 1339642, 2679284, 3349105, 6698210, 13396420]

約数ペア:

[(1, 13396420), (2, 6698210), (4, 3349105), (5, 2679284), (10, 1339642), (20, 669821), (317, 42260), (634, 21130), (1268, 10565), (1585, 8452), (2113, 6340), (3170, 4226)]