20918324

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{9001}}^1$

素因数の和:9095

約数の個数: 24

約数和(自身を含む): 42345408

約数和(自身を除く): 21427084

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 9001, 18002, 36004, 63007, 126014, 252028, 747083, 1494166, 2988332, 5229581, 10459162, 20918324]

約数ペア:

[(1, 20918324), (2, 10459162), (4, 5229581), (7, 2988332), (14, 1494166), (28, 747083), (83, 252028), (166, 126014), (332, 63007), (581, 36004), (1162, 18002), (2324, 9001)]