20143268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3733}}^1$

素因数の和:3827

約数の個数: 24

約数和(自身を含む): 37638720

約数和(自身を除く): 17495452

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3733, 5396, 7466, 14932, 70927, 141854, 265043, 283708, 530086, 1060172, 5035817, 10071634, 20143268]

約数ペア:

[(1, 20143268), (2, 10071634), (4, 5035817), (19, 1060172), (38, 530086), (71, 283708), (76, 265043), (142, 141854), (284, 70927), (1349, 14932), (2698, 7466), (3733, 5396)]