20689104

素因数分解:

$2^4\times 3^1\times {\mathrm{337}}^1\times {\mathrm{1279}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 53647360

約数和(自身を除く): 32958256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 337, 674, 1011, 1279, 1348, 2022, 2558, 2696, 3837, 4044, 5116, 5392, 7674, 8088, 10232, 15348, 16176, 20464, 30696, 61392, 431023, 862046, 1293069, 1724092, 2586138, 3448184, 5172276, 6896368, 10344552, 20689104]

約数ペア:

[(1, 20689104), (2, 10344552), (3, 6896368), (4, 5172276), (6, 3448184), (8, 2586138), (12, 1724092), (16, 1293069), (24, 862046), (48, 431023), (337, 61392), (674, 30696), (1011, 20464), (1279, 16176), (1348, 15348), (2022, 10232), (2558, 8088), (2696, 7674), (3837, 5392), (4044, 5116)]