20189803551

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1\times {\mathrm{660899}}^1$

素因数の和:661518

約数の個数: 16

約数和(自身を含む): 28550880000

約数和(自身を除く): 8361076449

約数列:

[1, 3, 17, 51, 599, 1797, 10183, 30549, 660899, 1982697, 11235283, 33705849, 395878501, 1187635503, 6729934517, 20189803551]

約数ペア:

[(1, 20189803551), (3, 6729934517), (17, 1187635503), (51, 395878501), (599, 33705849), (1797, 11235283), (10183, 1982697), (30549, 660899)]