20205659536

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1108739}}^1$

素因数の和:1108831

約数の個数: 40

約数和(自身を含む): 42070030560

約数和(自身を除く): 21864371024

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 134, 136, 268, 272, 536, 1072, 1139, 2278, 4556, 9112, 18224, 1108739, 2217478, 4434956, 8869912, 17739824, 18848563, 37697126, 74285513, 75394252, 148571026, 150788504, 297142052, 301577008, 594284104, 1188568208, 1262853721, 2525707442, 5051414884, 10102829768, 20205659536]

約数ペア:

[(1, 20205659536), (2, 10102829768), (4, 5051414884), (8, 2525707442), (16, 1262853721), (17, 1188568208), (34, 594284104), (67, 301577008), (68, 297142052), (134, 150788504), (136, 148571026), (268, 75394252), (272, 74285513), (536, 37697126), (1072, 18848563), (1139, 17739824), (2278, 8869912), (4556, 4434956), (9112, 2217478), (18224, 1108739)]