20189951989

素因数分解:

${\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1\times {\mathrm{6691}}^1$

素因数の和:8340

約数の個数: 16

約数和(自身を含む): 21214710720

約数和(自身を除く): 1024758731

約数列:

[1, 29, 67, 1553, 1943, 6691, 45037, 104051, 194039, 448297, 3017479, 10391123, 13000613, 301342567, 696205241, 20189951989]

約数ペア:

[(1, 20189951989), (29, 696205241), (67, 301342567), (1553, 13000613), (1943, 10391123), (6691, 3017479), (45037, 448297), (104051, 194039)]