20106137635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1\times {\mathrm{811}}^1$

素因数の和:1675

約数の個数: 32

約数和(自身を含む): 25065621504

約数和(自身を除く): 4959483869

約数列:

[1, 5, 31, 155, 307, 521, 811, 1535, 2605, 4055, 9517, 16151, 25141, 47585, 80755, 125705, 159947, 248977, 422531, 799735, 1244885, 2112655, 4958357, 7718287, 13098461, 24791785, 38591435, 65492305, 129717017, 648585085, 4021227527, 20106137635]

約数ペア:

[(1, 20106137635), (5, 4021227527), (31, 648585085), (155, 129717017), (307, 65492305), (521, 38591435), (811, 24791785), (1535, 13098461), (2605, 7718287), (4055, 4958357), (9517, 2112655), (16151, 1244885), (25141, 799735), (47585, 422531), (80755, 248977), (125705, 159947)]