20028945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14807535

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2267, 2945, 6801, 8835, 11335, 34005, 43073, 70277, 129219, 210831, 215365, 351385, 646095, 1054155, 1335263, 4005789, 6676315, 20028945]

約数ペア:

[(1, 20028945), (3, 6676315), (5, 4005789), (15, 1335263), (19, 1054155), (31, 646095), (57, 351385), (93, 215365), (95, 210831), (155, 129219), (285, 70277), (465, 43073), (589, 34005), (1767, 11335), (2267, 8835), (2945, 6801)]