20175397587

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1364401}}^1$

素因数の和:1364491

約数の個数: 24

約数和(自身を含む): 30649926528

約数和(自身を除く): 10474528941

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1643, 4929, 14787, 1364401, 4093203, 12279609, 42296431, 72313253, 126889293, 216939759, 380667879, 650819277, 2241710843, 6725132529, 20175397587]

約数ペア:

[(1, 20175397587), (3, 6725132529), (9, 2241710843), (31, 650819277), (53, 380667879), (93, 216939759), (159, 126889293), (279, 72313253), (477, 42296431), (1643, 12279609), (4929, 4093203), (14787, 1364401)]