16965780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21751}}^1$

素因数の和:21776

約数の個数: 48

約数和(自身を含む): 51160704

約数和(自身を除く): 34194924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21751, 43502, 65253, 87004, 108755, 130506, 217510, 261012, 282763, 326265, 435020, 565526, 652530, 848289, 1131052, 1305060, 1413815, 1696578, 2827630, 3393156, 4241445, 5655260, 8482890, 16965780]

約数ペア:

[(1, 16965780), (2, 8482890), (3, 5655260), (4, 4241445), (5, 3393156), (6, 2827630), (10, 1696578), (12, 1413815), (13, 1305060), (15, 1131052), (20, 848289), (26, 652530), (30, 565526), (39, 435020), (52, 326265), (60, 282763), (65, 261012), (78, 217510), (130, 130506), (156, 108755), (195, 87004), (260, 65253), (390, 43502), (780, 21751)]