20041965

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4789}}^1$

素因数の和:4834

約数の個数: 32

約数和(自身を含む): 36787200

約数和(自身を除く): 16745235

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 4789, 14367, 23945, 43101, 71835, 129303, 148459, 215505, 445377, 646515, 742295, 1336131, 2226885, 4008393, 6680655, 20041965]

約数ペア:

[(1, 20041965), (3, 6680655), (5, 4008393), (9, 2226885), (15, 1336131), (27, 742295), (31, 646515), (45, 445377), (93, 215505), (135, 148459), (155, 129303), (279, 71835), (465, 43101), (837, 23945), (1395, 14367), (4185, 4789)]