13203460

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1297}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 27803160

約数和(自身を除く): 14599700

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1297, 2036, 2545, 2594, 5090, 5188, 6485, 10180, 12970, 25940, 660173, 1320346, 2640692, 3300865, 6601730, 13203460]

約数ペア:

[(1, 13203460), (2, 6601730), (4, 3300865), (5, 2640692), (10, 1320346), (20, 660173), (509, 25940), (1018, 12970), (1297, 10180), (2036, 6485), (2545, 5188), (2594, 5090)]