19720941

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 26738688

約数和(自身を除く): 7017747

約数列:

[1, 3, 127, 191, 271, 381, 573, 813, 24257, 34417, 51761, 72771, 103251, 155283, 6573647, 19720941]

約数ペア:

[(1, 19720941), (3, 6573647), (127, 155283), (191, 103251), (271, 72771), (381, 51761), (573, 34417), (813, 24257)]