20766135

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 36146880

約数和(自身を除く): 15380745

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 977, 1417, 1635, 2931, 4251, 4885, 7085, 12701, 14655, 21255, 38103, 63505, 106493, 190515, 319479, 532465, 1384409, 1597395, 4153227, 6922045, 20766135]

約数ペア:

[(1, 20766135), (3, 6922045), (5, 4153227), (13, 1597395), (15, 1384409), (39, 532465), (65, 319479), (109, 190515), (195, 106493), (327, 63505), (545, 38103), (977, 21255), (1417, 14655), (1635, 12701), (2931, 7085), (4251, 4885)]