20976212

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 38196480

約数和(自身を除く): 17220268

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 1217, 2434, 4309, 4868, 8618, 17236, 37727, 75454, 150908, 169163, 338326, 676652, 5244053, 10488106, 20976212]

約数ペア:

[(1, 20976212), (2, 10488106), (4, 5244053), (31, 676652), (62, 338326), (124, 169163), (139, 150908), (278, 75454), (556, 37727), (1217, 17236), (2434, 8618), (4309, 4868)]