20178070075

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{787}}^1\times {\mathrm{15307}}^1$

素因数の和:16171

約数の個数: 24

約数和(自身を含む): 25428180032

約数和(自身を除く): 5250109957

約数列:

[1, 5, 25, 67, 335, 787, 1675, 3935, 15307, 19675, 52729, 76535, 263645, 382675, 1025569, 1318225, 5127845, 12046609, 25639225, 60233045, 301165225, 807122803, 4035614015, 20178070075]

約数ペア:

[(1, 20178070075), (5, 4035614015), (25, 807122803), (67, 301165225), (335, 60233045), (787, 25639225), (1675, 12046609), (3935, 5127845), (15307, 1318225), (19675, 1025569), (52729, 382675), (76535, 263645)]