20649648

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8117}}^1$

素因数の和:8181

約数の個数: 40

約数和(自身を含む): 54358128

約数和(自身を除く): 33708480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8117, 16234, 24351, 32468, 48702, 64936, 97404, 129872, 194808, 389616, 430201, 860402, 1290603, 1720804, 2581206, 3441608, 5162412, 6883216, 10324824, 20649648]

約数ペア:

[(1, 20649648), (2, 10324824), (3, 6883216), (4, 5162412), (6, 3441608), (8, 2581206), (12, 1720804), (16, 1290603), (24, 860402), (48, 430201), (53, 389616), (106, 194808), (159, 129872), (212, 97404), (318, 64936), (424, 48702), (636, 32468), (848, 24351), (1272, 16234), (2544, 8117)]