20187720303

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71879}}^1\times {\mathrm{5507}}^1$

素因数の和:77406

約数の個数: 16

約数和(自身を含む): 28505882880

約数和(自身を除く): 8318162577

約数列:

[1, 3, 17, 51, 5507, 16521, 71879, 93619, 215637, 280857, 1221943, 3665829, 395837653, 1187512959, 6729240101, 20187720303]

約数ペア:

[(1, 20187720303), (3, 6729240101), (17, 1187512959), (51, 395837653), (5507, 3665829), (16521, 1221943), (71879, 280857), (93619, 215637)]