20445054

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{353}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 47942928

約数和(自身を除く): 27497874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 353, 394, 591, 706, 1059, 1182, 1379, 2118, 2471, 2758, 4137, 4942, 7413, 8274, 9653, 14826, 17297, 19306, 28959, 34594, 51891, 57918, 69541, 103782, 139082, 208623, 417246, 486787, 973574, 1460361, 2920722, 3407509, 6815018, 10222527, 20445054]

約数ペア:

[(1, 20445054), (2, 10222527), (3, 6815018), (6, 3407509), (7, 2920722), (14, 1460361), (21, 973574), (42, 486787), (49, 417246), (98, 208623), (147, 139082), (197, 103782), (294, 69541), (353, 57918), (394, 51891), (591, 34594), (706, 28959), (1059, 19306), (1182, 17297), (1379, 14826), (2118, 9653), (2471, 8274), (2758, 7413), (4137, 4942)]