20163594

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27114486

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 37, 46, 66, 69, 74, 111, 138, 222, 253, 359, 407, 506, 718, 759, 814, 851, 1077, 1221, 1518, 1702, 2154, 2442, 2553, 3949, 5106, 7898, 8257, 9361, 11847, 13283, 16514, 18722, 23694, 24771, 26566, 28083, 39849, 49542, 56166, 79698, 90827, 146113, 181654, 272481, 292226, 305509, 438339, 544962, 611018, 876678, 916527, 1833054, 3360599, 6721198, 10081797, 20163594]

約数ペア:

[(1, 20163594), (2, 10081797), (3, 6721198), (6, 3360599), (11, 1833054), (22, 916527), (23, 876678), (33, 611018), (37, 544962), (46, 438339), (66, 305509), (69, 292226), (74, 272481), (111, 181654), (138, 146113), (222, 90827), (253, 79698), (359, 56166), (407, 49542), (506, 39849), (718, 28083), (759, 26566), (814, 24771), (851, 23694), (1077, 18722), (1221, 16514), (1518, 13283), (1702, 11847), (2154, 9361), (2442, 8257), (2553, 7898), (3949, 5106)]