20199985395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{285977}}^1$

素因数の和:286279

約数の個数: 32

約数和(自身を含む): 34344813888

約数和(自身を除く): 14144828493

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 277, 831, 1385, 4155, 4709, 14127, 23545, 70635, 285977, 857931, 1429885, 4289655, 4861609, 14584827, 24308045, 72924135, 79215629, 237646887, 396078145, 1188234435, 1346665693, 4039997079, 6733328465, 20199985395]

約数ペア:

[(1, 20199985395), (3, 6733328465), (5, 4039997079), (15, 1346665693), (17, 1188234435), (51, 396078145), (85, 237646887), (255, 79215629), (277, 72924135), (831, 24308045), (1385, 14584827), (4155, 4861609), (4709, 4289655), (14127, 1429885), (23545, 857931), (70635, 285977)]