20900110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27143}}^1$

素因数の和:27168

約数の個数: 32

約数和(自身を含む): 46904832

約数和(自身を除く): 26004722

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27143, 54286, 135715, 190001, 271430, 298573, 380002, 597146, 950005, 1492865, 1900010, 2090011, 2985730, 4180022, 10450055, 20900110]

約数ペア:

[(1, 20900110), (2, 10450055), (5, 4180022), (7, 2985730), (10, 2090011), (11, 1900010), (14, 1492865), (22, 950005), (35, 597146), (55, 380002), (70, 298573), (77, 271430), (110, 190001), (154, 135715), (385, 54286), (770, 27143)]