20178108

素因数分解:

$2^2\times 3^2\times {\mathrm{560503}}^1$

素因数の和:560513

約数の個数: 18

約数和(自身を含む): 51005864

約数和(自身を除く): 30827756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560503, 1121006, 1681509, 2242012, 3363018, 5044527, 6726036, 10089054, 20178108]

約数ペア:

[(1, 20178108), (2, 10089054), (3, 6726036), (4, 5044527), (6, 3363018), (9, 2242012), (12, 1681509), (18, 1121006), (36, 560503)]