20471879484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{80513}}^1$

素因数の和:81539

約数の個数: 72

約数和(自身を含む): 59200333920

約数和(自身を除く): 38728454436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1009, 2018, 3027, 4036, 6054, 7063, 9081, 12108, 14126, 18162, 21189, 28252, 36324, 42378, 63567, 80513, 84756, 127134, 161026, 241539, 254268, 322052, 483078, 563591, 724617, 966156, 1127182, 1449234, 1690773, 2254364, 2898468, 3381546, 5072319, 6763092, 10144638, 20289276, 81237617, 162475234, 243712851, 324950468, 487425702, 568663319, 731138553, 974851404, 1137326638, 1462277106, 1705989957, 2274653276, 2924554212, 3411979914, 5117969871, 6823959828, 10235939742, 20471879484]

約数ペア:

[(1, 20471879484), (2, 10235939742), (3, 6823959828), (4, 5117969871), (6, 3411979914), (7, 2924554212), (9, 2274653276), (12, 1705989957), (14, 1462277106), (18, 1137326638), (21, 974851404), (28, 731138553), (36, 568663319), (42, 487425702), (63, 324950468), (84, 243712851), (126, 162475234), (252, 81237617), (1009, 20289276), (2018, 10144638), (3027, 6763092), (4036, 5072319), (6054, 3381546), (7063, 2898468), (9081, 2254364), (12108, 1690773), (14126, 1449234), (18162, 1127182), (21189, 966156), (28252, 724617), (36324, 563591), (42378, 483078), (63567, 322052), (80513, 254268), (84756, 241539), (127134, 161026)]