20164614920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{59921}}^1$

素因数の和:60158

約数の個数: 64

約数和(自身を含む): 46595347200

約数和(自身を除く): 26430732280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 179, 188, 235, 358, 376, 470, 716, 895, 940, 1432, 1790, 1880, 3580, 7160, 8413, 16826, 33652, 42065, 59921, 67304, 84130, 119842, 168260, 239684, 299605, 336520, 479368, 599210, 1198420, 2396840, 2816287, 5632574, 10725859, 11265148, 14081435, 21451718, 22530296, 28162870, 42903436, 53629295, 56325740, 85806872, 107258590, 112651480, 214517180, 429034360, 504115373, 1008230746, 2016461492, 2520576865, 4032922984, 5041153730, 10082307460, 20164614920]

約数ペア:

[(1, 20164614920), (2, 10082307460), (4, 5041153730), (5, 4032922984), (8, 2520576865), (10, 2016461492), (20, 1008230746), (40, 504115373), (47, 429034360), (94, 214517180), (179, 112651480), (188, 107258590), (235, 85806872), (358, 56325740), (376, 53629295), (470, 42903436), (716, 28162870), (895, 22530296), (940, 21451718), (1432, 14081435), (1790, 11265148), (1880, 10725859), (3580, 5632574), (7160, 2816287), (8413, 2396840), (16826, 1198420), (33652, 599210), (42065, 479368), (59921, 336520), (67304, 299605), (84130, 239684), (119842, 168260)]