20405122562

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1\times {\mathrm{677}}^1$

素因数の和:1095

約数の個数: 64

約数和(自身を含む): 34607029248

約数和(自身を除く): 14201906686

約数列:

[1, 2, 11, 22, 43, 86, 151, 211, 302, 422, 473, 677, 946, 1354, 1661, 2321, 3322, 4642, 6493, 7447, 9073, 12986, 14894, 18146, 29111, 31861, 58222, 63722, 71423, 99803, 102227, 142846, 142847, 199606, 204454, 285694, 320221, 350471, 640442, 700942, 1124497, 1370023, 1571317, 2248994, 2740046, 3142634, 4395761, 6142421, 8791522, 12284842, 15070253, 21569897, 30140506, 43139794, 48353371, 67566631, 96706742, 135133262, 237268867, 474537734, 927505571, 1855011142, 10202561281, 20405122562]

約数ペア:

[(1, 20405122562), (2, 10202561281), (11, 1855011142), (22, 927505571), (43, 474537734), (86, 237268867), (151, 135133262), (211, 96706742), (302, 67566631), (422, 48353371), (473, 43139794), (677, 30140506), (946, 21569897), (1354, 15070253), (1661, 12284842), (2321, 8791522), (3322, 6142421), (4642, 4395761), (6493, 3142634), (7447, 2740046), (9073, 2248994), (12986, 1571317), (14894, 1370023), (18146, 1124497), (29111, 700942), (31861, 640442), (58222, 350471), (63722, 320221), (71423, 285694), (99803, 204454), (102227, 199606), (142846, 142847)]