20216796848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4523}}^1\times {\mathrm{16433}}^1$

素因数の和:20981

約数の個数: 40

約数和(自身を含む): 41485858128

約数和(自身を除く): 21269061280

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4523, 9046, 16433, 18092, 32866, 36184, 65732, 72368, 76891, 131464, 153782, 262928, 279361, 307564, 558722, 615128, 1117444, 1230256, 2234888, 4469776, 74326459, 148652918, 297305836, 594611672, 1189223344, 1263549803, 2527099606, 5054199212, 10108398424, 20216796848]

約数ペア:

[(1, 20216796848), (2, 10108398424), (4, 5054199212), (8, 2527099606), (16, 1263549803), (17, 1189223344), (34, 594611672), (68, 297305836), (136, 148652918), (272, 74326459), (4523, 4469776), (9046, 2234888), (16433, 1230256), (18092, 1117444), (32866, 615128), (36184, 558722), (65732, 307564), (72368, 279361), (76891, 262928), (131464, 153782)]