20171640976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{4091}}^1\times {\mathrm{9941}}^1$

素因数の和:14071

約数の個数: 40

約数和(自身を含む): 40357202688

約数和(自身を除く): 20185561712

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 4091, 8182, 9941, 16364, 19882, 32728, 39764, 65456, 79528, 126821, 159056, 253642, 308171, 507284, 616342, 1014568, 1232684, 2029136, 2465368, 4930736, 40668631, 81337262, 162674524, 325349048, 650698096, 1260727561, 2521455122, 5042910244, 10085820488, 20171640976]

約数ペア:

[(1, 20171640976), (2, 10085820488), (4, 5042910244), (8, 2521455122), (16, 1260727561), (31, 650698096), (62, 325349048), (124, 162674524), (248, 81337262), (496, 40668631), (4091, 4930736), (8182, 2465368), (9941, 2029136), (16364, 1232684), (19882, 1014568), (32728, 616342), (39764, 507284), (65456, 308171), (79528, 253642), (126821, 159056)]