20173089872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{53377}}^1$

素因数の和:53500

約数の個数: 80

約数和(自身を含む): 44478819840

約数和(自身を除く): 24305729968

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 79, 92, 104, 158, 184, 208, 299, 316, 368, 598, 632, 1027, 1196, 1264, 1817, 2054, 2392, 3634, 4108, 4784, 7268, 8216, 14536, 16432, 23621, 29072, 47242, 53377, 94484, 106754, 188968, 213508, 377936, 427016, 693901, 854032, 1227671, 1387802, 2455342, 2775604, 4216783, 4910684, 5551208, 8433566, 9821368, 11102416, 15959723, 16867132, 19642736, 31919446, 33734264, 54818179, 63838892, 67468528, 96986009, 109636358, 127677784, 193972018, 219272716, 255355568, 387944036, 438545432, 775888072, 877090864, 1260818117, 1551776144, 2521636234, 5043272468, 10086544936, 20173089872]

約数ペア:

[(1, 20173089872), (2, 10086544936), (4, 5043272468), (8, 2521636234), (13, 1551776144), (16, 1260818117), (23, 877090864), (26, 775888072), (46, 438545432), (52, 387944036), (79, 255355568), (92, 219272716), (104, 193972018), (158, 127677784), (184, 109636358), (208, 96986009), (299, 67468528), (316, 63838892), (368, 54818179), (598, 33734264), (632, 31919446), (1027, 19642736), (1196, 16867132), (1264, 15959723), (1817, 11102416), (2054, 9821368), (2392, 8433566), (3634, 5551208), (4108, 4910684), (4784, 4216783), (7268, 2775604), (8216, 2455342), (14536, 1387802), (16432, 1227671), (23621, 854032), (29072, 693901), (47242, 427016), (53377, 377936), (94484, 213508), (106754, 188968)]