20189071371

素因数分解:

$3^1\times 7^1\times {\mathrm{12791}}^1\times {\mathrm{75161}}^1$

素因数の和:87962

約数の個数: 16

約数和(自身を含む): 30767113728

約数和(自身を除く): 10578042357

約数列:

[1, 3, 7, 21, 12791, 38373, 75161, 89537, 225483, 268611, 526127, 1578381, 961384351, 2884153053, 6729690457, 20189071371]

約数ペア:

[(1, 20189071371), (3, 6729690457), (7, 2884153053), (21, 961384351), (12791, 1578381), (38373, 526127), (75161, 268611), (89537, 225483)]