20161521848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1\times {\mathrm{1831}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 40995763200

約数和(自身を除く): 20834241352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 443, 478, 886, 956, 1772, 1831, 1912, 3107, 3544, 3662, 5759, 6214, 7324, 11518, 12428, 14648, 23036, 23803, 24856, 46072, 47606, 95212, 105877, 190424, 211754, 423508, 437609, 811133, 847016, 875218, 1376401, 1622266, 1750436, 2752802, 3244532, 3500872, 5505604, 5688917, 6489064, 10544729, 11011208, 11377834, 21089458, 22755668, 42178916, 45511336, 84357832, 193860787, 387721574, 775443148, 1550886296, 2520190231, 5040380462, 10080760924, 20161521848]

約数ペア:

[(1, 20161521848), (2, 10080760924), (4, 5040380462), (8, 2520190231), (13, 1550886296), (26, 775443148), (52, 387721574), (104, 193860787), (239, 84357832), (443, 45511336), (478, 42178916), (886, 22755668), (956, 21089458), (1772, 11377834), (1831, 11011208), (1912, 10544729), (3107, 6489064), (3544, 5688917), (3662, 5505604), (5759, 3500872), (6214, 3244532), (7324, 2752802), (11518, 1750436), (12428, 1622266), (14648, 1376401), (23036, 875218), (23803, 847016), (24856, 811133), (46072, 437609), (47606, 423508), (95212, 211754), (105877, 190424)]