20646948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 55322624

約数和(自身を除く): 34675676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 271, 542, 813, 907, 1084, 1626, 1814, 1897, 2721, 3252, 3628, 3794, 5442, 5691, 6349, 7588, 10884, 11382, 12698, 19047, 22764, 25396, 38094, 76188, 245797, 491594, 737391, 983188, 1474782, 1720579, 2949564, 3441158, 5161737, 6882316, 10323474, 20646948]

約数ペア:

[(1, 20646948), (2, 10323474), (3, 6882316), (4, 5161737), (6, 3441158), (7, 2949564), (12, 1720579), (14, 1474782), (21, 983188), (28, 737391), (42, 491594), (84, 245797), (271, 76188), (542, 38094), (813, 25396), (907, 22764), (1084, 19047), (1626, 12698), (1814, 11382), (1897, 10884), (2721, 7588), (3252, 6349), (3628, 5691), (3794, 5442)]