220121072

素因数分解:

$2^4\times {\mathrm{1669}}^1\times {\mathrm{8243}}^1$

素因数の和:9920

約数の個数: 20

約数和(自身を含む): 426791880

約数和(自身を除く): 206670808

約数列:

[1, 2, 4, 8, 16, 1669, 3338, 6676, 8243, 13352, 16486, 26704, 32972, 65944, 131888, 13757567, 27515134, 55030268, 110060536, 220121072]

約数ペア:

[(1, 220121072), (2, 110060536), (4, 55030268), (8, 27515134), (16, 13757567), (1669, 131888), (3338, 65944), (6676, 32972), (8243, 26704), (13352, 16486)]