20145552687

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41681}}^1$

素因数の和:41732

約数の個数: 64

約数和(自身を含む): 34452673920

約数和(自身を除く): 14307121233

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 243, 351, 459, 663, 729, 1053, 1377, 1989, 2187, 3159, 4131, 5967, 9477, 12393, 17901, 28431, 37179, 41681, 53703, 125043, 161109, 375129, 483327, 541853, 708577, 1125387, 1625559, 2125731, 3376161, 4876677, 6377193, 9211501, 10128483, 14630031, 19131579, 27634503, 30385449, 43890093, 57394737, 82903509, 91156347, 131670279, 172184211, 248710527, 395010837, 516552633, 746131581, 1185032511, 1549657899, 2238394743, 6715184229, 20145552687]

約数ペア:

[(1, 20145552687), (3, 6715184229), (9, 2238394743), (13, 1549657899), (17, 1185032511), (27, 746131581), (39, 516552633), (51, 395010837), (81, 248710527), (117, 172184211), (153, 131670279), (221, 91156347), (243, 82903509), (351, 57394737), (459, 43890093), (663, 30385449), (729, 27634503), (1053, 19131579), (1377, 14630031), (1989, 10128483), (2187, 9211501), (3159, 6377193), (4131, 4876677), (5967, 3376161), (9477, 2125731), (12393, 1625559), (17901, 1125387), (28431, 708577), (37179, 541853), (41681, 483327), (53703, 375129), (125043, 161109)]