20683590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 52842240

約数和(自身を除く): 32158650

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 131, 190, 262, 277, 285, 393, 554, 570, 655, 786, 831, 1310, 1385, 1662, 1965, 2489, 2770, 3930, 4155, 4978, 5263, 7467, 8310, 10526, 12445, 14934, 15789, 24890, 26315, 31578, 36287, 37335, 52630, 72574, 74670, 78945, 108861, 157890, 181435, 217722, 362870, 544305, 689453, 1088610, 1378906, 2068359, 3447265, 4136718, 6894530, 10341795, 20683590]

約数ペア:

[(1, 20683590), (2, 10341795), (3, 6894530), (5, 4136718), (6, 3447265), (10, 2068359), (15, 1378906), (19, 1088610), (30, 689453), (38, 544305), (57, 362870), (95, 217722), (114, 181435), (131, 157890), (190, 108861), (262, 78945), (277, 74670), (285, 72574), (393, 52630), (554, 37335), (570, 36287), (655, 31578), (786, 26315), (831, 24890), (1310, 15789), (1385, 14934), (1662, 12445), (1965, 10526), (2489, 8310), (2770, 7467), (3930, 5263), (4155, 4978)]