20961690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{698723}}^1$

素因数の和:698733

約数の個数: 16

約数和(自身を含む): 50308128

約数和(自身を除く): 29346438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 698723, 1397446, 2096169, 3493615, 4192338, 6987230, 10480845, 20961690]

約数ペア:

[(1, 20961690), (2, 10480845), (3, 6987230), (5, 4192338), (6, 3493615), (10, 2096169), (15, 1397446), (30, 698723)]