20164976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3343}}^1$

素因数の和:3393

約数の個数: 40

約数和(自身を含む): 43538880

約数和(自身を除く): 23373904

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3343, 6032, 6686, 13372, 26744, 43459, 53488, 86918, 96947, 173836, 193894, 347672, 387788, 695344, 775576, 1260311, 1551152, 2520622, 5041244, 10082488, 20164976]

約数ペア:

[(1, 20164976), (2, 10082488), (4, 5041244), (8, 2520622), (13, 1551152), (16, 1260311), (26, 775576), (29, 695344), (52, 387788), (58, 347672), (104, 193894), (116, 173836), (208, 96947), (232, 86918), (377, 53488), (464, 43459), (754, 26744), (1508, 13372), (3016, 6686), (3343, 6032)]