20101924

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13921}}^1$

素因数の和:13963

約数の個数: 18

約数和(自身を含む): 37129974

約数和(自身を除く): 17028050

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13921, 27842, 55684, 264499, 528998, 1057996, 5025481, 10050962, 20101924]

約数ペア:

[(1, 20101924), (2, 10050962), (4, 5025481), (19, 1057996), (38, 528998), (76, 264499), (361, 55684), (722, 27842), (1444, 13921)]