20938068145

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{40656443}}^1$

素因数の和:40656551

約数の個数: 8

約数和(自身を含む): 25369621056

約数和(自身を除く): 4431552911

約数列:

[1, 5, 103, 515, 40656443, 203282215, 4187613629, 20938068145]

約数ペア:

[(1, 20938068145), (5, 4187613629), (103, 203282215), (515, 40656443)]