20199892388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1\times {\mathrm{10733}}^1$

素因数の和:12896

約数の個数: 48

約数和(自身を含む): 40331072880

約数和(自身を除く): 20131180492

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 2129, 4258, 8516, 10733, 21466, 27677, 36193, 42932, 55354, 72386, 110708, 139529, 144772, 182461, 279058, 364922, 470509, 558116, 729844, 941018, 1882036, 2371993, 4743986, 9487972, 22850557, 45701114, 91402228, 297057241, 388459469, 594114482, 776918938, 1188228964, 1553837876, 5049973097, 10099946194, 20199892388]

約数ペア:

[(1, 20199892388), (2, 10099946194), (4, 5049973097), (13, 1553837876), (17, 1188228964), (26, 776918938), (34, 594114482), (52, 388459469), (68, 297057241), (221, 91402228), (442, 45701114), (884, 22850557), (2129, 9487972), (4258, 4743986), (8516, 2371993), (10733, 1882036), (21466, 941018), (27677, 729844), (36193, 558116), (42932, 470509), (55354, 364922), (72386, 279058), (110708, 182461), (139529, 144772)]