20216979208

素因数分解:

$2^3\times {\mathrm{23}}^3\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1211

約数の個数: 64

約数和(自身を含む): 39846672000

約数和(自身を除く): 19629692792

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 229, 458, 529, 907, 916, 1058, 1814, 1832, 2116, 3628, 4232, 5267, 7256, 10534, 12167, 20861, 21068, 24334, 41722, 42136, 48668, 83444, 97336, 121141, 166888, 207703, 242282, 415406, 479803, 484564, 830812, 959606, 969128, 1661624, 1919212, 2786243, 3838424, 4777169, 5572486, 9554338, 11035469, 11144972, 19108676, 22070938, 22289944, 38217352, 44141876, 88283752, 109874887, 219749774, 439499548, 878999096, 2527122401, 5054244802, 10108489604, 20216979208]

約数ペア:

[(1, 20216979208), (2, 10108489604), (4, 5054244802), (8, 2527122401), (23, 878999096), (46, 439499548), (92, 219749774), (184, 109874887), (229, 88283752), (458, 44141876), (529, 38217352), (907, 22289944), (916, 22070938), (1058, 19108676), (1814, 11144972), (1832, 11035469), (2116, 9554338), (3628, 5572486), (4232, 4777169), (5267, 3838424), (7256, 2786243), (10534, 1919212), (12167, 1661624), (20861, 969128), (21068, 959606), (24334, 830812), (41722, 484564), (42136, 479803), (48668, 415406), (83444, 242282), (97336, 207703), (121141, 166888)]