20989826982

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1441411}}^1$

素因数の和:1442228

約数の個数: 24

約数和(自身を含む): 45534205080

約数和(自身を除く): 24544378098

約数列:

[1, 2, 3, 6, 9, 18, 809, 1618, 2427, 4854, 7281, 14562, 1441411, 2882822, 4324233, 8648466, 12972699, 25945398, 1166101499, 2332202998, 3498304497, 6996608994, 10494913491, 20989826982]

約数ペア:

[(1, 20989826982), (2, 10494913491), (3, 6996608994), (6, 3498304497), (9, 2332202998), (18, 1166101499), (809, 25945398), (1618, 12972699), (2427, 8648466), (4854, 4324233), (7281, 2882822), (14562, 1441411)]