20905788

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 50448384

約数和(自身を除く): 29542596

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 101, 141, 188, 202, 282, 303, 367, 404, 564, 606, 734, 1101, 1212, 1468, 2202, 4404, 4747, 9494, 14241, 17249, 18988, 28482, 34498, 37067, 51747, 56964, 68996, 74134, 103494, 111201, 148268, 206988, 222402, 444804, 1742149, 3484298, 5226447, 6968596, 10452894, 20905788]

約数ペア:

[(1, 20905788), (2, 10452894), (3, 6968596), (4, 5226447), (6, 3484298), (12, 1742149), (47, 444804), (94, 222402), (101, 206988), (141, 148268), (188, 111201), (202, 103494), (282, 74134), (303, 68996), (367, 56964), (404, 51747), (564, 37067), (606, 34498), (734, 28482), (1101, 18988), (1212, 17249), (1468, 14241), (2202, 9494), (4404, 4747)]