20802026

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^2\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 24

約数和(自身を含む): 36310176

約数和(自身を除く): 15508150

約数列:

[1, 2, 7, 14, 67, 134, 331, 469, 662, 938, 2317, 4489, 4634, 8978, 22177, 31423, 44354, 62846, 155239, 310478, 1485859, 2971718, 10401013, 20802026]

約数ペア:

[(1, 20802026), (2, 10401013), (7, 2971718), (14, 1485859), (67, 310478), (134, 155239), (331, 62846), (469, 44354), (662, 31423), (938, 22177), (2317, 8978), (4489, 4634)]