20617962856

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{89}}^1\times {\mathrm{30133}}^1$

素因数の和:30290

約数の個数: 48

約数和(自身を含む): 40396133700

約数和(自身を除く): 19778170844

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 961, 1922, 2759, 3844, 5518, 7688, 11036, 22072, 30133, 60266, 85529, 120532, 171058, 241064, 342116, 684232, 934123, 1868246, 2681837, 3736492, 5363674, 7472984, 10727348, 21454696, 28957813, 57915626, 83136947, 115831252, 166273894, 231662504, 332547788, 665095576, 2577245357, 5154490714, 10308981428, 20617962856]

約数ペア:

[(1, 20617962856), (2, 10308981428), (4, 5154490714), (8, 2577245357), (31, 665095576), (62, 332547788), (89, 231662504), (124, 166273894), (178, 115831252), (248, 83136947), (356, 57915626), (712, 28957813), (961, 21454696), (1922, 10727348), (2759, 7472984), (3844, 5363674), (5518, 3736492), (7688, 2681837), (11036, 1868246), (22072, 934123), (30133, 684232), (60266, 342116), (85529, 241064), (120532, 171058)]