20966848

素因数分解:

$2^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2753}}^1$

素因数の和:2789

約数の個数: 56

約数和(自身を含む): 50365152

約数和(自身を除く): 29398304

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 448, 476, 544, 952, 1088, 1904, 2753, 3808, 5506, 7616, 11012, 19271, 22024, 38542, 44048, 46801, 77084, 88096, 93602, 154168, 176192, 187204, 308336, 327607, 374408, 616672, 655214, 748816, 1233344, 1310428, 1497632, 2620856, 2995264, 5241712, 10483424, 20966848]

約数ペア:

[(1, 20966848), (2, 10483424), (4, 5241712), (7, 2995264), (8, 2620856), (14, 1497632), (16, 1310428), (17, 1233344), (28, 748816), (32, 655214), (34, 616672), (56, 374408), (64, 327607), (68, 308336), (112, 187204), (119, 176192), (136, 154168), (224, 93602), (238, 88096), (272, 77084), (448, 46801), (476, 44048), (544, 38542), (952, 22024), (1088, 19271), (1904, 11012), (2753, 7616), (3808, 5506)]