20039418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1891

約数の個数: 48

約数和(自身を含む): 50207040

約数和(自身を除く): 30167622

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 267, 534, 623, 801, 1246, 1602, 1787, 1869, 3574, 3738, 5361, 5607, 10722, 11214, 12509, 16083, 25018, 32166, 37527, 75054, 112581, 159043, 225162, 318086, 477129, 954258, 1113301, 1431387, 2226602, 2862774, 3339903, 6679806, 10019709, 20039418]

約数ペア:

[(1, 20039418), (2, 10019709), (3, 6679806), (6, 3339903), (7, 2862774), (9, 2226602), (14, 1431387), (18, 1113301), (21, 954258), (42, 477129), (63, 318086), (89, 225162), (126, 159043), (178, 112581), (267, 75054), (534, 37527), (623, 32166), (801, 25018), (1246, 16083), (1602, 12509), (1787, 11214), (1869, 10722), (3574, 5607), (3738, 5361)]