20417436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43627}}^1$

素因数の和:43650

約数の個数: 36

約数和(自身を含む): 55582072

約数和(自身を除く): 35164636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 43627, 87254, 130881, 174508, 261762, 392643, 523524, 567151, 785286, 1134302, 1570572, 1701453, 2268604, 3402906, 5104359, 6805812, 10208718, 20417436]

約数ペア:

[(1, 20417436), (2, 10208718), (3, 6805812), (4, 5104359), (6, 3402906), (9, 2268604), (12, 1701453), (13, 1570572), (18, 1134302), (26, 785286), (36, 567151), (39, 523524), (52, 392643), (78, 261762), (117, 174508), (156, 130881), (234, 87254), (468, 43627)]