20180171528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{45491}}^1$

素因数の和:45650

約数の個数: 48

約数和(自身を含む): 41868107280

約数和(自身を除く): 21687935752

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 5041, 6248, 10082, 20164, 40328, 45491, 55451, 90982, 110902, 181964, 221804, 363928, 443608, 500401, 1000802, 2001604, 3229861, 4003208, 6459722, 12919444, 25838888, 35528471, 71056942, 142113884, 229320131, 284227768, 458640262, 917280524, 1834561048, 2522521441, 5045042882, 10090085764, 20180171528]

約数ペア:

[(1, 20180171528), (2, 10090085764), (4, 5045042882), (8, 2522521441), (11, 1834561048), (22, 917280524), (44, 458640262), (71, 284227768), (88, 229320131), (142, 142113884), (284, 71056942), (568, 35528471), (781, 25838888), (1562, 12919444), (3124, 6459722), (5041, 4003208), (6248, 3229861), (10082, 2001604), (20164, 1000802), (40328, 500401), (45491, 443608), (55451, 363928), (90982, 221804), (110902, 181964)]