20078081276

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{2017}}^1$

素因数の和:2331

約数の個数: 72

約数和(自身を含む): 39183376848

約数和(自身を除く): 19105295572

約数列:

[1, 2, 4, 11, 22, 44, 121, 131, 157, 242, 262, 314, 484, 524, 628, 1441, 1727, 2017, 2882, 3454, 4034, 5764, 6908, 8068, 15851, 18997, 20567, 22187, 31702, 37994, 41134, 44374, 63404, 75988, 82268, 88748, 226237, 244057, 264227, 316669, 452474, 488114, 528454, 633338, 904948, 976228, 1056908, 1266676, 2488607, 2906497, 3483359, 4977214, 5812994, 6966718, 9954428, 11625988, 13933436, 31971467, 38316949, 41483639, 63942934, 76633898, 82967278, 127885868, 153267796, 165934556, 456320029, 912640058, 1825280116, 5019520319, 10039040638, 20078081276]

約数ペア:

[(1, 20078081276), (2, 10039040638), (4, 5019520319), (11, 1825280116), (22, 912640058), (44, 456320029), (121, 165934556), (131, 153267796), (157, 127885868), (242, 82967278), (262, 76633898), (314, 63942934), (484, 41483639), (524, 38316949), (628, 31971467), (1441, 13933436), (1727, 11625988), (2017, 9954428), (2882, 6966718), (3454, 5812994), (4034, 4977214), (5764, 3483359), (6908, 2906497), (8068, 2488607), (15851, 1266676), (18997, 1056908), (20567, 976228), (22187, 904948), (31702, 633338), (37994, 528454), (41134, 488114), (44374, 452474), (63404, 316669), (75988, 264227), (82268, 244057), (88748, 226237)]