20161320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9883}}^1$

素因数の和:9914

約数の個数: 64

約数和(自身を含む): 64048320

約数和(自身を除く): 43887000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9883, 19766, 29649, 39532, 49415, 59298, 79064, 98830, 118596, 148245, 168011, 197660, 237192, 296490, 336022, 395320, 504033, 592980, 672044, 840055, 1008066, 1185960, 1344088, 1680110, 2016132, 2520165, 3360220, 4032264, 5040330, 6720440, 10080660, 20161320]

約数ペア:

[(1, 20161320), (2, 10080660), (3, 6720440), (4, 5040330), (5, 4032264), (6, 3360220), (8, 2520165), (10, 2016132), (12, 1680110), (15, 1344088), (17, 1185960), (20, 1008066), (24, 840055), (30, 672044), (34, 592980), (40, 504033), (51, 395320), (60, 336022), (68, 296490), (85, 237192), (102, 197660), (120, 168011), (136, 148245), (170, 118596), (204, 98830), (255, 79064), (340, 59298), (408, 49415), (510, 39532), (680, 29649), (1020, 19766), (2040, 9883)]