20784426491

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{3251}}^1$

素因数の和:3571

約数の個数: 32

約数和(自身を含む): 23365698048

約数和(自身を除く): 2581271557

約数列:

[1, 17, 23, 83, 197, 391, 1411, 1909, 3251, 3349, 4531, 16351, 32453, 55267, 74773, 77027, 269833, 277967, 376073, 640447, 1271141, 4587161, 6206159, 6393241, 10887599, 14730281, 53157101, 105504703, 250414777, 903670717, 1222613323, 20784426491]

約数ペア:

[(1, 20784426491), (17, 1222613323), (23, 903670717), (83, 250414777), (197, 105504703), (391, 53157101), (1411, 14730281), (1909, 10887599), (3251, 6393241), (3349, 6206159), (4531, 4587161), (16351, 1271141), (32453, 640447), (55267, 376073), (74773, 277967), (77027, 269833)]