20826104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4657}}^1$

素因数の和:4719

約数の個数: 32

約数和(自身を含む): 43039920

約数和(自身を除く): 22213816

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4657, 9314, 18628, 37256, 60541, 121082, 200251, 242164, 400502, 484328, 801004, 1602008, 2603263, 5206526, 10413052, 20826104]

約数ペア:

[(1, 20826104), (2, 10413052), (4, 5206526), (8, 2603263), (13, 1602008), (26, 801004), (43, 484328), (52, 400502), (86, 242164), (104, 200251), (172, 121082), (344, 60541), (559, 37256), (1118, 18628), (2236, 9314), (4472, 4657)]