20873624

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 40666080

約数和(自身を除く): 19792456

約数列:

[1, 2, 4, 8, 37, 74, 97, 148, 194, 296, 388, 727, 776, 1454, 2908, 3589, 5816, 7178, 14356, 26899, 28712, 53798, 70519, 107596, 141038, 215192, 282076, 564152, 2609203, 5218406, 10436812, 20873624]

約数ペア:

[(1, 20873624), (2, 10436812), (4, 5218406), (8, 2609203), (37, 564152), (74, 282076), (97, 215192), (148, 141038), (194, 107596), (296, 70519), (388, 53798), (727, 28712), (776, 26899), (1454, 14356), (2908, 7178), (3589, 5816)]