20655656

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 49248000

約数和(自身を除く): 28592344

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 29, 46, 49, 56, 58, 79, 92, 98, 116, 158, 161, 184, 196, 203, 232, 316, 322, 392, 406, 553, 632, 644, 667, 812, 1106, 1127, 1288, 1334, 1421, 1624, 1817, 2212, 2254, 2291, 2668, 2842, 3634, 3871, 4424, 4508, 4582, 4669, 5336, 5684, 7268, 7742, 9016, 9164, 9338, 11368, 12719, 14536, 15484, 16037, 18328, 18676, 25438, 30968, 32074, 32683, 37352, 50876, 52693, 64148, 65366, 89033, 101752, 105386, 112259, 128296, 130732, 178066, 210772, 224518, 261464, 356132, 368851, 421544, 449036, 712264, 737702, 898072, 1475404, 2581957, 2950808, 5163914, 10327828, 20655656]

約数ペア:

[(1, 20655656), (2, 10327828), (4, 5163914), (7, 2950808), (8, 2581957), (14, 1475404), (23, 898072), (28, 737702), (29, 712264), (46, 449036), (49, 421544), (56, 368851), (58, 356132), (79, 261464), (92, 224518), (98, 210772), (116, 178066), (158, 130732), (161, 128296), (184, 112259), (196, 105386), (203, 101752), (232, 89033), (316, 65366), (322, 64148), (392, 52693), (406, 50876), (553, 37352), (632, 32683), (644, 32074), (667, 30968), (812, 25438), (1106, 18676), (1127, 18328), (1288, 16037), (1334, 15484), (1421, 14536), (1624, 12719), (1817, 11368), (2212, 9338), (2254, 9164), (2291, 9016), (2668, 7742), (2842, 7268), (3634, 5684), (3871, 5336), (4424, 4669), (4508, 4582)]