20679596

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19961}}^1$

素因数の和:20009

約数の個数: 24

約数和(自身を含む): 42479136

約数和(自身を除く): 21799540

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19961, 39922, 79844, 139727, 279454, 558908, 738557, 1477114, 2954228, 5169899, 10339798, 20679596]

約数ペア:

[(1, 20679596), (2, 10339798), (4, 5169899), (7, 2954228), (14, 1477114), (28, 738557), (37, 558908), (74, 279454), (148, 139727), (259, 79844), (518, 39922), (1036, 19961)]