20817808

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10753}}^1$

素因数の和:10783

約数の個数: 30

約数和(自身を含む): 44338742

約数和(自身を除く): 23520934

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10753, 21506, 43012, 86024, 118283, 172048, 236566, 473132, 946264, 1301113, 1892528, 2602226, 5204452, 10408904, 20817808]

約数ペア:

[(1, 20817808), (2, 10408904), (4, 5204452), (8, 2602226), (11, 1892528), (16, 1301113), (22, 946264), (44, 473132), (88, 236566), (121, 172048), (176, 118283), (242, 86024), (484, 43012), (968, 21506), (1936, 10753)]