20959128

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5141

約数の個数: 64

約数和(自身を含む): 61296000

約数和(自身を除く): 40336872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 5107, 10214, 15321, 20428, 30642, 40856, 45963, 61284, 91926, 97033, 122568, 137889, 183852, 194066, 275778, 291099, 367704, 388132, 551556, 582198, 776264, 873297, 1103112, 1164396, 1746594, 2328792, 2619891, 3493188, 5239782, 6986376, 10479564, 20959128]

約数ペア:

[(1, 20959128), (2, 10479564), (3, 6986376), (4, 5239782), (6, 3493188), (8, 2619891), (9, 2328792), (12, 1746594), (18, 1164396), (19, 1103112), (24, 873297), (27, 776264), (36, 582198), (38, 551556), (54, 388132), (57, 367704), (72, 291099), (76, 275778), (108, 194066), (114, 183852), (152, 137889), (171, 122568), (216, 97033), (228, 91926), (342, 61284), (456, 45963), (513, 40856), (684, 30642), (1026, 20428), (1368, 15321), (2052, 10214), (4104, 5107)]