20839178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{887}}^1$

素因数の和:1597

約数の個数: 16

約数和(自身を含む): 33182784

約数和(自身を除く): 12343606

約数列:

[1, 2, 17, 34, 691, 887, 1382, 1774, 11747, 15079, 23494, 30158, 612917, 1225834, 10419589, 20839178]

約数ペア:

[(1, 20839178), (2, 10419589), (17, 1225834), (34, 612917), (691, 30158), (887, 23494), (1382, 15079), (1774, 11747)]