20167082864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{115309}}^1$

素因数の和:115977

約数の個数: 40

約数和(自身を含む): 41436879120

約数和(自身を除く): 21269796256

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 643, 1286, 2572, 5144, 10288, 10931, 21862, 43724, 87448, 115309, 174896, 230618, 461236, 922472, 1844944, 1960253, 3920506, 7841012, 15682024, 31364048, 74143687, 148287374, 296574748, 593149496, 1186298992, 1260442679, 2520885358, 5041770716, 10083541432, 20167082864]

約数ペア:

[(1, 20167082864), (2, 10083541432), (4, 5041770716), (8, 2520885358), (16, 1260442679), (17, 1186298992), (34, 593149496), (68, 296574748), (136, 148287374), (272, 74143687), (643, 31364048), (1286, 15682024), (2572, 7841012), (5144, 3920506), (10288, 1960253), (10931, 1844944), (21862, 922472), (43724, 461236), (87448, 230618), (115309, 174896)]