20855772

素因数分解:

$2^2\times 3^3\times 7^3\times {\mathrm{563}}^1$

素因数の和:597

約数の個数: 96

約数和(自身を含む): 63168000

約数和(自身を除く): 42312228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 343, 378, 441, 563, 588, 686, 756, 882, 1029, 1126, 1323, 1372, 1689, 1764, 2058, 2252, 2646, 3087, 3378, 3941, 4116, 5067, 5292, 6174, 6756, 7882, 9261, 10134, 11823, 12348, 15201, 15764, 18522, 20268, 23646, 27587, 30402, 35469, 37044, 47292, 55174, 60804, 70938, 82761, 106407, 110348, 141876, 165522, 193109, 212814, 248283, 331044, 386218, 425628, 496566, 579327, 744849, 772436, 993132, 1158654, 1489698, 1737981, 2317308, 2979396, 3475962, 5213943, 6951924, 10427886, 20855772]

約数ペア:

[(1, 20855772), (2, 10427886), (3, 6951924), (4, 5213943), (6, 3475962), (7, 2979396), (9, 2317308), (12, 1737981), (14, 1489698), (18, 1158654), (21, 993132), (27, 772436), (28, 744849), (36, 579327), (42, 496566), (49, 425628), (54, 386218), (63, 331044), (84, 248283), (98, 212814), (108, 193109), (126, 165522), (147, 141876), (189, 110348), (196, 106407), (252, 82761), (294, 70938), (343, 60804), (378, 55174), (441, 47292), (563, 37044), (588, 35469), (686, 30402), (756, 27587), (882, 23646), (1029, 20268), (1126, 18522), (1323, 15764), (1372, 15201), (1689, 12348), (1764, 11823), (2058, 10134), (2252, 9261), (2646, 7882), (3087, 6756), (3378, 6174), (3941, 5292), (4116, 5067)]