20531168

素因数分解:

$2^5\times 7^1\times {\mathrm{151}}^1\times {\mathrm{607}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 26046496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 151, 224, 302, 604, 607, 1057, 1208, 1214, 2114, 2416, 2428, 4228, 4249, 4832, 4856, 8456, 8498, 9712, 16912, 16996, 19424, 33824, 33992, 67984, 91657, 135968, 183314, 366628, 641599, 733256, 1283198, 1466512, 2566396, 2933024, 5132792, 10265584, 20531168]

約数ペア:

[(1, 20531168), (2, 10265584), (4, 5132792), (7, 2933024), (8, 2566396), (14, 1466512), (16, 1283198), (28, 733256), (32, 641599), (56, 366628), (112, 183314), (151, 135968), (224, 91657), (302, 67984), (604, 33992), (607, 33824), (1057, 19424), (1208, 16996), (1214, 16912), (2114, 9712), (2416, 8498), (2428, 8456), (4228, 4856), (4249, 4832)]