20194163860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{175327}}^1$

素因数の和:175792

約数の個数: 48

約数和(自身を含む): 45773231616

約数和(自身を除く): 25579067756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1772, 2215, 4430, 5759, 8860, 11518, 23036, 28795, 57590, 115180, 175327, 350654, 701308, 876635, 1753270, 2279251, 3506540, 4558502, 9117004, 11396255, 22792510, 45585020, 77669861, 155339722, 310679444, 388349305, 776698610, 1009708193, 1553397220, 2019416386, 4038832772, 5048540965, 10097081930, 20194163860]

約数ペア:

[(1, 20194163860), (2, 10097081930), (4, 5048540965), (5, 4038832772), (10, 2019416386), (13, 1553397220), (20, 1009708193), (26, 776698610), (52, 388349305), (65, 310679444), (130, 155339722), (260, 77669861), (443, 45585020), (886, 22792510), (1772, 11396255), (2215, 9117004), (4430, 4558502), (5759, 3506540), (8860, 2279251), (11518, 1753270), (23036, 876635), (28795, 701308), (57590, 350654), (115180, 175327)]