20103111721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{42667}}^1$

素因数の和:42925

約数の個数: 32

約数和(自身を含む): 26051374080

約数和(自身を除く): 5948262359

約数列:

[1, 7, 11, 29, 77, 203, 211, 319, 1477, 2233, 2321, 6119, 16247, 42667, 42833, 67309, 298669, 469337, 471163, 1237343, 3285359, 8661401, 9002737, 13610773, 63019159, 95275411, 99030107, 261079373, 693210749, 1827555611, 2871873103, 20103111721]

約数ペア:

[(1, 20103111721), (7, 2871873103), (11, 1827555611), (29, 693210749), (77, 261079373), (203, 99030107), (211, 95275411), (319, 63019159), (1477, 13610773), (2233, 9002737), (2321, 8661401), (6119, 3285359), (16247, 1237343), (42667, 471163), (42833, 469337), (67309, 298669)]