20459556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43717}}^1$

素因数の和:43740

約数の個数: 36

約数和(自身を含む): 55696732

約数和(自身を除く): 35237176

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43717, 87434, 131151, 174868, 262302, 393453, 524604, 568321, 786906, 1136642, 1573812, 1704963, 2273284, 3409926, 5114889, 6819852, 10229778, 20459556]

約数ペア:

[(1, 20459556), (2, 10229778), (3, 6819852), (4, 5114889), (6, 3409926), (9, 2273284), (12, 1704963), (13, 1573812), (18, 1136642), (26, 786906), (36, 568321), (39, 524604), (52, 393453), (78, 262302), (117, 174868), (156, 131151), (234, 87434), (468, 43717)]