20153358

素因数分解:

$2^1\times 3^2\times {\mathrm{997}}^1\times {\mathrm{1123}}^1$

素因数の和:2128

約数の個数: 24

約数和(自身を含む): 43748328

約数和(自身を除く): 23594970

約数列:

[1, 2, 3, 6, 9, 18, 997, 1123, 1994, 2246, 2991, 3369, 5982, 6738, 8973, 10107, 17946, 20214, 1119631, 2239262, 3358893, 6717786, 10076679, 20153358]

約数ペア:

[(1, 20153358), (2, 10076679), (3, 6717786), (6, 3358893), (9, 2239262), (18, 1119631), (997, 20214), (1123, 17946), (1994, 10107), (2246, 8973), (2991, 6738), (3369, 5982)]