20689308

素因数分解:

$2^2\times 3^2\times {\mathrm{574703}}^1$

素因数の和:574713

約数の個数: 18

約数和(自身を含む): 52298064

約数和(自身を除く): 31608756

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 574703, 1149406, 1724109, 2298812, 3448218, 5172327, 6896436, 10344654, 20689308]

約数ペア:

[(1, 20689308), (2, 10344654), (3, 6896436), (4, 5172327), (6, 3448218), (9, 2298812), (12, 1724109), (18, 1149406), (36, 574703)]