20123811297

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1\times {\mathrm{1181}}^1$

素因数の和:1854

約数の個数: 48

約数和(自身を含む): 30822966720

約数和(自身を除く): 10699155423

約数列:

[1, 3, 9, 19, 57, 171, 251, 397, 753, 1181, 1191, 2259, 3543, 3573, 4769, 7543, 10629, 14307, 22439, 22629, 42921, 67317, 67887, 99647, 201951, 296431, 298941, 468857, 889293, 896823, 1406571, 1893293, 2667879, 4219713, 5632189, 5679879, 8908283, 16896567, 17039637, 26724849, 50689701, 80174547, 117683107, 353049321, 1059147963, 2235979033, 6707937099, 20123811297]

約数ペア:

[(1, 20123811297), (3, 6707937099), (9, 2235979033), (19, 1059147963), (57, 353049321), (171, 117683107), (251, 80174547), (397, 50689701), (753, 26724849), (1181, 17039637), (1191, 16896567), (2259, 8908283), (3543, 5679879), (3573, 5632189), (4769, 4219713), (7543, 2667879), (10629, 1893293), (14307, 1406571), (22439, 896823), (22629, 889293), (42921, 468857), (67317, 298941), (67887, 296431), (99647, 201951)]