20516172

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 49910784

約数和(自身を除く): 29394612

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 131, 186, 262, 372, 393, 421, 524, 786, 842, 1263, 1572, 1684, 2526, 4061, 5052, 8122, 12183, 13051, 16244, 24366, 26102, 39153, 48732, 52204, 55151, 78306, 110302, 156612, 165453, 220604, 330906, 661812, 1709681, 3419362, 5129043, 6838724, 10258086, 20516172]

約数ペア:

[(1, 20516172), (2, 10258086), (3, 6838724), (4, 5129043), (6, 3419362), (12, 1709681), (31, 661812), (62, 330906), (93, 220604), (124, 165453), (131, 156612), (186, 110302), (262, 78306), (372, 55151), (393, 52204), (421, 48732), (524, 39153), (786, 26102), (842, 24366), (1263, 16244), (1572, 13051), (1684, 12183), (2526, 8122), (4061, 5052)]