20580189032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{244003}}^1$

素因数の和:244833

約数の個数: 32

約数和(自身を含む): 41607562080

約数和(自身を除く): 21027373048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 811, 1622, 3244, 6488, 10543, 21086, 42172, 84344, 244003, 488006, 976012, 1952024, 3172039, 6344078, 12688156, 25376312, 197886433, 395772866, 791545732, 1583091464, 2572523629, 5145047258, 10290094516, 20580189032]

約数ペア:

[(1, 20580189032), (2, 10290094516), (4, 5145047258), (8, 2572523629), (13, 1583091464), (26, 791545732), (52, 395772866), (104, 197886433), (811, 25376312), (1622, 12688156), (3244, 6344078), (6488, 3172039), (10543, 1952024), (21086, 976012), (42172, 488006), (84344, 244003)]