20909624

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84313}}^1$

素因数の和:84350

約数の個数: 16

約数和(自身を含む): 40470720

約数和(自身を除く): 19561096

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84313, 168626, 337252, 674504, 2613703, 5227406, 10454812, 20909624]

約数ペア:

[(1, 20909624), (2, 10454812), (4, 5227406), (8, 2613703), (31, 674504), (62, 337252), (124, 168626), (248, 84313)]