20787816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{123737}}^1$

素因数の和:123753

約数の個数: 32

約数和(自身を含む): 59394240

約数和(自身を除く): 38606424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 123737, 247474, 371211, 494948, 742422, 866159, 989896, 1484844, 1732318, 2598477, 2969688, 3464636, 5196954, 6929272, 10393908, 20787816]

約数ペア:

[(1, 20787816), (2, 10393908), (3, 6929272), (4, 5196954), (6, 3464636), (7, 2969688), (8, 2598477), (12, 1732318), (14, 1484844), (21, 989896), (24, 866159), (28, 742422), (42, 494948), (56, 371211), (84, 247474), (168, 123737)]