20646816

素因数分解:

$2^5\times 3^1\times {\mathrm{449}}^1\times {\mathrm{479}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 33785184

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 449, 479, 898, 958, 1347, 1437, 1796, 1916, 2694, 2874, 3592, 3832, 5388, 5748, 7184, 7664, 10776, 11496, 14368, 15328, 21552, 22992, 43104, 45984, 215071, 430142, 645213, 860284, 1290426, 1720568, 2580852, 3441136, 5161704, 6882272, 10323408, 20646816]

約数ペア:

[(1, 20646816), (2, 10323408), (3, 6882272), (4, 5161704), (6, 3441136), (8, 2580852), (12, 1720568), (16, 1290426), (24, 860284), (32, 645213), (48, 430142), (96, 215071), (449, 45984), (479, 43104), (898, 22992), (958, 21552), (1347, 15328), (1437, 14368), (1796, 11496), (1916, 10776), (2694, 7664), (2874, 7184), (3592, 5748), (3832, 5388)]