20208045308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{249199}}^1$

素因数の和:249330

約数の個数: 48

約数和(自身を含む): 41028288000

約数和(自身を除く): 20820242692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 97, 194, 209, 388, 418, 836, 1067, 1843, 2134, 3686, 4268, 7372, 20273, 40546, 81092, 249199, 498398, 996796, 2741189, 4734781, 5482378, 9469562, 10964756, 18939124, 24172303, 48344606, 52082591, 96689212, 104165182, 208330364, 265895333, 459273757, 531790666, 918547514, 1063581332, 1837095028, 5052011327, 10104022654, 20208045308]

約数ペア:

[(1, 20208045308), (2, 10104022654), (4, 5052011327), (11, 1837095028), (19, 1063581332), (22, 918547514), (38, 531790666), (44, 459273757), (76, 265895333), (97, 208330364), (194, 104165182), (209, 96689212), (388, 52082591), (418, 48344606), (836, 24172303), (1067, 18939124), (1843, 10964756), (2134, 9469562), (3686, 5482378), (4268, 4734781), (7372, 2741189), (20273, 996796), (40546, 498398), (81092, 249199)]