20188091379

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{639491}}^1$

素因数の和:640130

約数の個数: 16

約数和(自身を含む): 28546922880

約数和(自身を除く): 8358831501

約数列:

[1, 3, 17, 51, 619, 1857, 10523, 31569, 639491, 1918473, 10871347, 32614041, 395844929, 1187534787, 6729363793, 20188091379]

約数ペア:

[(1, 20188091379), (3, 6729363793), (17, 1187534787), (51, 395844929), (619, 32614041), (1857, 10871347), (10523, 1918473), (31569, 639491)]