20179128

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 52992000

約数和(自身を除く): 32812872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 79, 87, 116, 158, 174, 232, 237, 316, 348, 367, 474, 632, 696, 734, 948, 1101, 1468, 1896, 2202, 2291, 2936, 4404, 4582, 6873, 8808, 9164, 10643, 13746, 18328, 21286, 27492, 28993, 31929, 42572, 54984, 57986, 63858, 85144, 86979, 115972, 127716, 173958, 231944, 255432, 347916, 695832, 840797, 1681594, 2522391, 3363188, 5044782, 6726376, 10089564, 20179128]

約数ペア:

[(1, 20179128), (2, 10089564), (3, 6726376), (4, 5044782), (6, 3363188), (8, 2522391), (12, 1681594), (24, 840797), (29, 695832), (58, 347916), (79, 255432), (87, 231944), (116, 173958), (158, 127716), (174, 115972), (232, 86979), (237, 85144), (316, 63858), (348, 57986), (367, 54984), (474, 42572), (632, 31929), (696, 28993), (734, 27492), (948, 21286), (1101, 18328), (1468, 13746), (1896, 10643), (2202, 9164), (2291, 8808), (2936, 6873), (4404, 4582)]