20101355555

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1\times {\mathrm{1319}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 25065469440

約数和(自身を除く): 4964113885

約数列:

[1, 5, 43, 73, 215, 365, 971, 1319, 3139, 4855, 6595, 15695, 41753, 56717, 70883, 96287, 208765, 283585, 354415, 481435, 1280749, 3047969, 4140341, 6403745, 15239845, 20701705, 55072207, 93494677, 275361035, 467473385, 4020271111, 20101355555]

約数ペア:

[(1, 20101355555), (5, 4020271111), (43, 467473385), (73, 275361035), (215, 93494677), (365, 55072207), (971, 20701705), (1319, 15239845), (3139, 6403745), (4855, 4140341), (6595, 3047969), (15695, 1280749), (41753, 481435), (56717, 354415), (70883, 283585), (96287, 208765)]