20454358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3203}}^1$

素因数の和:3339

約数の個数: 16

約数和(自身を含む): 31988736

約数和(自身を除く): 11534378

約数列:

[1, 2, 31, 62, 103, 206, 3193, 3203, 6386, 6406, 99293, 198586, 329909, 659818, 10227179, 20454358]

約数ペア:

[(1, 20454358), (2, 10227179), (31, 659818), (62, 329909), (103, 198586), (206, 99293), (3193, 6406), (3203, 6386)]