20807619672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{540851}}^1$

素因数の和:541096

約数の個数: 64

約数和(自身を含む): 59710060800

約数和(自身を除く): 38902441128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 229, 458, 687, 916, 1374, 1603, 1832, 2748, 3206, 4809, 5496, 6412, 9618, 12824, 19236, 38472, 540851, 1081702, 1622553, 2163404, 3245106, 3785957, 4326808, 6490212, 7571914, 11357871, 12980424, 15143828, 22715742, 30287656, 45431484, 90862968, 123854879, 247709758, 371564637, 495419516, 743129274, 866984153, 990839032, 1486258548, 1733968306, 2600952459, 2972517096, 3467936612, 5201904918, 6935873224, 10403809836, 20807619672]

約数ペア:

[(1, 20807619672), (2, 10403809836), (3, 6935873224), (4, 5201904918), (6, 3467936612), (7, 2972517096), (8, 2600952459), (12, 1733968306), (14, 1486258548), (21, 990839032), (24, 866984153), (28, 743129274), (42, 495419516), (56, 371564637), (84, 247709758), (168, 123854879), (229, 90862968), (458, 45431484), (687, 30287656), (916, 22715742), (1374, 15143828), (1603, 12980424), (1832, 11357871), (2748, 7571914), (3206, 6490212), (4809, 4326808), (5496, 3785957), (6412, 3245106), (9618, 2163404), (12824, 1622553), (19236, 1081702), (38472, 540851)]