20124686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12917}}^1$

素因数の和:12979

約数の個数: 16

約数和(自身を含む): 32553360

約数和(自身を除く): 12428674

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12917, 25834, 245423, 490846, 529597, 1059194, 10062343, 20124686]

約数ペア:

[(1, 20124686), (2, 10062343), (19, 1059194), (38, 529597), (41, 490846), (82, 245423), (779, 25834), (1558, 12917)]