20676224

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 41485440

約数和(自身を除く): 20809216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 652, 991, 1304, 1982, 2608, 3964, 5216, 7928, 10432, 15856, 20864, 31712, 63424, 126848, 161533, 323066, 646132, 1292264, 2584528, 5169056, 10338112, 20676224]

約数ペア:

[(1, 20676224), (2, 10338112), (4, 5169056), (8, 2584528), (16, 1292264), (32, 646132), (64, 323066), (128, 161533), (163, 126848), (326, 63424), (652, 31712), (991, 20864), (1304, 15856), (1982, 10432), (2608, 7928), (3964, 5216)]