20437095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1289}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 37647360

約数和(自身を除く): 17210265

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 151, 453, 755, 1057, 1289, 2265, 3171, 3867, 5285, 6445, 9023, 15855, 19335, 27069, 45115, 135345, 194639, 583917, 973195, 1362473, 2919585, 4087419, 6812365, 20437095]

約数ペア:

[(1, 20437095), (3, 6812365), (5, 4087419), (7, 2919585), (15, 1362473), (21, 973195), (35, 583917), (105, 194639), (151, 135345), (453, 45115), (755, 27069), (1057, 19335), (1289, 15855), (2265, 9023), (3171, 6445), (3867, 5285)]