2017897820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{10211}}^1$

素因数の和:10502

約数の個数: 48

約数和(自身を含む): 4359380256

約数和(自身を除く): 2341482436

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 482, 820, 964, 1205, 2410, 4820, 9881, 10211, 19762, 20422, 39524, 40844, 49405, 51055, 98810, 102110, 197620, 204220, 418651, 837302, 1674604, 2093255, 2460851, 4186510, 4921702, 8373020, 9843404, 12304255, 24608510, 49217020, 100894891, 201789782, 403579564, 504474455, 1008948910, 2017897820]

約数ペア:

[(1, 2017897820), (2, 1008948910), (4, 504474455), (5, 403579564), (10, 201789782), (20, 100894891), (41, 49217020), (82, 24608510), (164, 12304255), (205, 9843404), (241, 8373020), (410, 4921702), (482, 4186510), (820, 2460851), (964, 2093255), (1205, 1674604), (2410, 837302), (4820, 418651), (9881, 204220), (10211, 197620), (19762, 102110), (20422, 98810), (39524, 51055), (40844, 49405)]