20711432

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2269}}^1$

素因数の和:2445

約数の個数: 32

約数和(自身を含む): 44673600

約数和(自身を除く): 23962168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2269, 2282, 4538, 4564, 9076, 9128, 15883, 18152, 31766, 63532, 127064, 369847, 739694, 1479388, 2588929, 2958776, 5177858, 10355716, 20711432]

約数ペア:

[(1, 20711432), (2, 10355716), (4, 5177858), (7, 2958776), (8, 2588929), (14, 1479388), (28, 739694), (56, 369847), (163, 127064), (326, 63532), (652, 31766), (1141, 18152), (1304, 15883), (2269, 9128), (2282, 9076), (4538, 4564)]