20171120874

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{163841}}^1$

素因数の和:163951

約数の個数: 48

約数和(自身を含む): 43458762816

約数和(自身を除く): 23287641942

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 142, 213, 289, 426, 578, 867, 1207, 1734, 2414, 3621, 7242, 20519, 41038, 61557, 123114, 163841, 327682, 491523, 983046, 2785297, 5570594, 8355891, 11632711, 16711782, 23265422, 34898133, 47350049, 69796266, 94700098, 142050147, 197756087, 284100294, 395512174, 593268261, 1186536522, 3361853479, 6723706958, 10085560437, 20171120874]

約数ペア:

[(1, 20171120874), (2, 10085560437), (3, 6723706958), (6, 3361853479), (17, 1186536522), (34, 593268261), (51, 395512174), (71, 284100294), (102, 197756087), (142, 142050147), (213, 94700098), (289, 69796266), (426, 47350049), (578, 34898133), (867, 23265422), (1207, 16711782), (1734, 11632711), (2414, 8355891), (3621, 5570594), (7242, 2785297), (20519, 983046), (41038, 491523), (61557, 327682), (123114, 163841)]