20391296

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9371}}^1$

素因数の和:9402

約数の個数: 32

約数和(自身を含む): 43017480

約数和(自身を除く): 22626184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9371, 18742, 37484, 74968, 149936, 159307, 299872, 318614, 599744, 637228, 1199488, 1274456, 2548912, 5097824, 10195648, 20391296]

約数ペア:

[(1, 20391296), (2, 10195648), (4, 5097824), (8, 2548912), (16, 1274456), (17, 1199488), (32, 637228), (34, 599744), (64, 318614), (68, 299872), (128, 159307), (136, 149936), (272, 74968), (544, 37484), (1088, 18742), (2176, 9371)]