20569936

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 41140224

約数和(自身を除く): 20570288

約数列:

[1, 2, 4, 8, 16, 53, 106, 127, 191, 212, 254, 382, 424, 508, 764, 848, 1016, 1528, 2032, 3056, 6731, 10123, 13462, 20246, 24257, 26924, 40492, 48514, 53848, 80984, 97028, 107696, 161968, 194056, 388112, 1285621, 2571242, 5142484, 10284968, 20569936]

約数ペア:

[(1, 20569936), (2, 10284968), (4, 5142484), (8, 2571242), (16, 1285621), (53, 388112), (106, 194056), (127, 161968), (191, 107696), (212, 97028), (254, 80984), (382, 53848), (424, 48514), (508, 40492), (764, 26924), (848, 24257), (1016, 20246), (1528, 13462), (2032, 10123), (3056, 6731)]