20780181352

素因数分解:

$2^3\times 7^1\times {\mathrm{4409}}^1\times {\mathrm{84163}}^1$

素因数の和:88585

約数の個数: 32

約数和(自身を含む): 44539588800

約数和(自身を除く): 23759407448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4409, 8818, 17636, 30863, 35272, 61726, 84163, 123452, 168326, 246904, 336652, 589141, 673304, 1178282, 2356564, 4713128, 371074667, 742149334, 1484298668, 2597522669, 2968597336, 5195045338, 10390090676, 20780181352]

約数ペア:

[(1, 20780181352), (2, 10390090676), (4, 5195045338), (7, 2968597336), (8, 2597522669), (14, 1484298668), (28, 742149334), (56, 371074667), (4409, 4713128), (8818, 2356564), (17636, 1178282), (30863, 673304), (35272, 589141), (61726, 336652), (84163, 246904), (123452, 168326)]