20147393907

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1013}}^1\times {\mathrm{1087}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 30978754560

約数和(自身を除く): 10831360653

約数列:

[1, 3, 9, 19, 57, 107, 171, 321, 963, 1013, 1087, 2033, 3039, 3261, 6099, 9117, 9783, 18297, 19247, 20653, 57741, 61959, 108391, 116309, 173223, 185877, 325173, 348927, 975519, 1046781, 1101131, 2059429, 2209871, 3303393, 6178287, 6629613, 9910179, 18534861, 19888839, 20921489, 62764467, 117821017, 188293401, 353463051, 1060389153, 2238599323, 6715797969, 20147393907]

約数ペア:

[(1, 20147393907), (3, 6715797969), (9, 2238599323), (19, 1060389153), (57, 353463051), (107, 188293401), (171, 117821017), (321, 62764467), (963, 20921489), (1013, 19888839), (1087, 18534861), (2033, 9910179), (3039, 6629613), (3261, 6178287), (6099, 3303393), (9117, 2209871), (9783, 2059429), (18297, 1101131), (19247, 1046781), (20653, 975519), (57741, 348927), (61959, 325173), (108391, 185877), (116309, 173223)]