20898264

素因数分解:

$2^3\times 3^1\times {\mathrm{409}}^1\times {\mathrm{2129}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 52398000

約数和(自身を除く): 31499736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 409, 818, 1227, 1636, 2129, 2454, 3272, 4258, 4908, 6387, 8516, 9816, 12774, 17032, 25548, 51096, 870761, 1741522, 2612283, 3483044, 5224566, 6966088, 10449132, 20898264]

約数ペア:

[(1, 20898264), (2, 10449132), (3, 6966088), (4, 5224566), (6, 3483044), (8, 2612283), (12, 1741522), (24, 870761), (409, 51096), (818, 25548), (1227, 17032), (1636, 12774), (2129, 9816), (2454, 8516), (3272, 6387), (4258, 4908)]