20807670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53353}}^1$

素因数の和:53376

約数の個数: 32

約数和(自身を含む): 53780832

約数和(自身を除く): 32973162

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53353, 106706, 160059, 266765, 320118, 533530, 693589, 800295, 1387178, 1600590, 2080767, 3467945, 4161534, 6935890, 10403835, 20807670]

約数ペア:

[(1, 20807670), (2, 10403835), (3, 6935890), (5, 4161534), (6, 3467945), (10, 2080767), (13, 1600590), (15, 1387178), (26, 800295), (30, 693589), (39, 533530), (65, 320118), (78, 266765), (130, 160059), (195, 106706), (390, 53353)]