20149385218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1\times {\mathrm{7867}}^1$

素因数の和:9018

約数の個数: 32

約数和(自身を含む): 32487412608

約数和(自身を除く): 12338027390

約数列:

[1, 2, 17, 34, 71, 142, 1061, 1207, 2122, 2414, 7867, 15734, 18037, 36074, 75331, 133739, 150662, 267478, 558557, 1117114, 1280627, 2561254, 8346887, 9495469, 16693774, 18990938, 141897079, 283794158, 592628977, 1185257954, 10074692609, 20149385218]

約数ペア:

[(1, 20149385218), (2, 10074692609), (17, 1185257954), (34, 592628977), (71, 283794158), (142, 141897079), (1061, 18990938), (1207, 16693774), (2122, 9495469), (2414, 8346887), (7867, 2561254), (15734, 1280627), (18037, 1117114), (36074, 558557), (75331, 267478), (133739, 150662)]