20101977

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13873}}^1$

素因数の和:13909

約数の個数: 24

約数和(自身を含む): 34629504

約数和(自身を除く): 14527527

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13873, 41619, 97111, 124857, 291333, 319079, 873999, 957237, 2233553, 2871711, 6700659, 20101977]

約数ペア:

[(1, 20101977), (3, 6700659), (7, 2871711), (9, 2233553), (21, 957237), (23, 873999), (63, 319079), (69, 291333), (161, 124857), (207, 97111), (483, 41619), (1449, 13873)]