20639772

素因数分解:

$2^2\times 3^4\times {\mathrm{63703}}^1$

素因数の和:63719

約数の個数: 30

約数和(自身を含む): 53957288

約数和(自身を除く): 33317516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63703, 127406, 191109, 254812, 382218, 573327, 764436, 1146654, 1719981, 2293308, 3439962, 5159943, 6879924, 10319886, 20639772]

約数ペア:

[(1, 20639772), (2, 10319886), (3, 6879924), (4, 5159943), (6, 3439962), (9, 2293308), (12, 1719981), (18, 1146654), (27, 764436), (36, 573327), (54, 382218), (81, 254812), (108, 191109), (162, 127406), (324, 63703)]