20047568

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 40497408

約数和(自身を除く): 20449840

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 212, 376, 424, 503, 752, 848, 1006, 2012, 2491, 4024, 4982, 8048, 9964, 19928, 23641, 26659, 39856, 47282, 53318, 94564, 106636, 189128, 213272, 378256, 426544, 1252973, 2505946, 5011892, 10023784, 20047568]

約数ペア:

[(1, 20047568), (2, 10023784), (4, 5011892), (8, 2505946), (16, 1252973), (47, 426544), (53, 378256), (94, 213272), (106, 189128), (188, 106636), (212, 94564), (376, 53318), (424, 47282), (503, 39856), (752, 26659), (848, 23641), (1006, 19928), (2012, 9964), (2491, 8048), (4024, 4982)]