20147751

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 32706240

約数和(自身を除く): 12558489

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 941, 1647, 2379, 2823, 7137, 8469, 12233, 21411, 25407, 36699, 57401, 110097, 172203, 330291, 516609, 746213, 1549827, 2238639, 6715917, 20147751]

約数ペア:

[(1, 20147751), (3, 6715917), (9, 2238639), (13, 1549827), (27, 746213), (39, 516609), (61, 330291), (117, 172203), (183, 110097), (351, 57401), (549, 36699), (793, 25407), (941, 21411), (1647, 12233), (2379, 8469), (2823, 7137)]