20199786332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1\times {\mathrm{21601}}^1$

素因数の和:22070

約数の個数: 48

約数和(自身を含む): 39390642144

約数和(自身を除く): 19190855812

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 401, 583, 802, 1166, 1604, 2332, 4411, 8822, 17644, 21253, 21601, 42506, 43202, 85012, 86404, 233783, 237611, 467566, 475222, 935132, 950444, 1144853, 2289706, 4579412, 8662001, 12593383, 17324002, 25186766, 34648004, 50373532, 95282011, 190564022, 381128044, 459086053, 918172106, 1836344212, 5049946583, 10099893166, 20199786332]

約数ペア:

[(1, 20199786332), (2, 10099893166), (4, 5049946583), (11, 1836344212), (22, 918172106), (44, 459086053), (53, 381128044), (106, 190564022), (212, 95282011), (401, 50373532), (583, 34648004), (802, 25186766), (1166, 17324002), (1604, 12593383), (2332, 8662001), (4411, 4579412), (8822, 2289706), (17644, 1144853), (21253, 950444), (21601, 935132), (42506, 475222), (43202, 467566), (85012, 237611), (86404, 233783)]