20306079

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1772

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12756321

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 171, 207, 437, 513, 621, 1311, 1721, 3933, 5163, 11799, 15489, 32699, 39583, 46467, 98097, 118749, 294291, 356247, 752077, 882873, 1068741, 2256231, 6768693, 20306079]

約数ペア:

[(1, 20306079), (3, 6768693), (9, 2256231), (19, 1068741), (23, 882873), (27, 752077), (57, 356247), (69, 294291), (171, 118749), (207, 98097), (437, 46467), (513, 39583), (621, 32699), (1311, 15489), (1721, 11799), (3933, 5163)]