20348433

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1867}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 33803328

約数和(自身を除く): 13454895

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 1867, 3633, 5601, 10899, 13069, 16803, 39207, 117621, 322991, 968973, 2260937, 2906919, 6782811, 20348433]

約数ペア:

[(1, 20348433), (3, 6782811), (7, 2906919), (9, 2260937), (21, 968973), (63, 322991), (173, 117621), (519, 39207), (1211, 16803), (1557, 13069), (1867, 10899), (3633, 5601)]