20565352

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 39790080

約数和(自身を除く): 19224728

約数列:

[1, 2, 4, 8, 43, 86, 172, 191, 313, 344, 382, 626, 764, 1252, 1528, 2504, 8213, 13459, 16426, 26918, 32852, 53836, 59783, 65704, 107672, 119566, 239132, 478264, 2570669, 5141338, 10282676, 20565352]

約数ペア:

[(1, 20565352), (2, 10282676), (4, 5141338), (8, 2570669), (43, 478264), (86, 239132), (172, 119566), (191, 107672), (313, 65704), (344, 59783), (382, 53836), (626, 32852), (764, 26918), (1252, 16426), (1528, 13459), (2504, 8213)]