20457168

素因数分解:

$2^4\times 3^1\times {\mathrm{563}}^1\times {\mathrm{757}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 53011488

約数和(自身を除く): 32554320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 563, 757, 1126, 1514, 1689, 2252, 2271, 3028, 3378, 4504, 4542, 6056, 6756, 9008, 9084, 12112, 13512, 18168, 27024, 36336, 426191, 852382, 1278573, 1704764, 2557146, 3409528, 5114292, 6819056, 10228584, 20457168]

約数ペア:

[(1, 20457168), (2, 10228584), (3, 6819056), (4, 5114292), (6, 3409528), (8, 2557146), (12, 1704764), (16, 1278573), (24, 852382), (48, 426191), (563, 36336), (757, 27024), (1126, 18168), (1514, 13512), (1689, 12112), (2252, 9084), (2271, 9008), (3028, 6756), (3378, 6056), (4504, 4542)]