20211287559

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1\times {\mathrm{4001}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 28353369600

約数和(自身を除く): 8142082041

約数列:

[1, 3, 23, 69, 179, 409, 537, 1227, 4001, 4117, 9407, 12003, 12351, 28221, 73211, 92023, 219633, 276069, 716179, 1636409, 1683853, 2148537, 4909227, 5051559, 16472117, 37637407, 49416351, 112912221, 292917211, 878751633, 6737095853, 20211287559]

約数ペア:

[(1, 20211287559), (3, 6737095853), (23, 878751633), (69, 292917211), (179, 112912221), (409, 49416351), (537, 37637407), (1227, 16472117), (4001, 5051559), (4117, 4909227), (9407, 2148537), (12003, 1683853), (12351, 1636409), (28221, 716179), (73211, 276069), (92023, 219633)]