20631512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2417}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 42653520

約数和(自身を除く): 22022008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2417, 4268, 4834, 8536, 9668, 19336, 26587, 53174, 106348, 212696, 234449, 468898, 937796, 1875592, 2578939, 5157878, 10315756, 20631512]

約数ペア:

[(1, 20631512), (2, 10315756), (4, 5157878), (8, 2578939), (11, 1875592), (22, 937796), (44, 468898), (88, 234449), (97, 212696), (194, 106348), (388, 53174), (776, 26587), (1067, 19336), (2134, 9668), (2417, 8536), (4268, 4834)]