20197252023

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{6521}}^1$

素因数の和:6740

約数の個数: 48

約数和(自身を含む): 30076855200

約数和(自身を除く): 9879603177

約数列:

[1, 3, 13, 39, 41, 123, 149, 169, 447, 507, 533, 1599, 1937, 5811, 6109, 6521, 6929, 18327, 19563, 20787, 25181, 75543, 79417, 84773, 238251, 254319, 267361, 802083, 971629, 1032421, 1102049, 2914887, 3097263, 3306147, 3475693, 10427079, 12631177, 37893531, 39836789, 45184009, 119510367, 135552027, 164205301, 492615903, 517878257, 1553634771, 6732417341, 20197252023]

約数ペア:

[(1, 20197252023), (3, 6732417341), (13, 1553634771), (39, 517878257), (41, 492615903), (123, 164205301), (149, 135552027), (169, 119510367), (447, 45184009), (507, 39836789), (533, 37893531), (1599, 12631177), (1937, 10427079), (5811, 3475693), (6109, 3306147), (6521, 3097263), (6929, 2914887), (18327, 1102049), (19563, 1032421), (20787, 971629), (25181, 802083), (75543, 267361), (79417, 254319), (84773, 238251)]