20789022128

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^2\times {\mathrm{220709}}^1$

素因数の和:220782

約数の個数: 60

約数和(自身を含む): 47675125680

約数和(自身を除く): 26886103552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 841, 1624, 1682, 3248, 3364, 5887, 6728, 11774, 13456, 23548, 47096, 94192, 220709, 441418, 882836, 1544963, 1765672, 3089926, 3531344, 6179852, 6400561, 12359704, 12801122, 24719408, 25602244, 44803927, 51204488, 89607854, 102408976, 179215708, 185616269, 358431416, 371232538, 716862832, 742465076, 1299313883, 1484930152, 2598627766, 2969860304, 5197255532, 10394511064, 20789022128]

約数ペア:

[(1, 20789022128), (2, 10394511064), (4, 5197255532), (7, 2969860304), (8, 2598627766), (14, 1484930152), (16, 1299313883), (28, 742465076), (29, 716862832), (56, 371232538), (58, 358431416), (112, 185616269), (116, 179215708), (203, 102408976), (232, 89607854), (406, 51204488), (464, 44803927), (812, 25602244), (841, 24719408), (1624, 12801122), (1682, 12359704), (3248, 6400561), (3364, 6179852), (5887, 3531344), (6728, 3089926), (11774, 1765672), (13456, 1544963), (23548, 882836), (47096, 441418), (94192, 220709)]