20122085870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1\times {\mathrm{8521}}^1$

素因数の和:9053

約数の個数: 64

約数和(自身を含む): 39760243200

約数和(自身を除く): 19638157330

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 479, 493, 958, 986, 2395, 2465, 4790, 4930, 8143, 8521, 13891, 16286, 17042, 27782, 40715, 42605, 69455, 81430, 85210, 138910, 144857, 236147, 247109, 289714, 472294, 494218, 724285, 1180735, 1235545, 1448570, 2361470, 2471090, 4081559, 4200853, 8163118, 8401706, 20407795, 21004265, 40815590, 42008530, 69386503, 118365211, 138773006, 236730422, 346932515, 591826055, 693865030, 1183652110, 2012208587, 4024417174, 10061042935, 20122085870]

約数ペア:

[(1, 20122085870), (2, 10061042935), (5, 4024417174), (10, 2012208587), (17, 1183652110), (29, 693865030), (34, 591826055), (58, 346932515), (85, 236730422), (145, 138773006), (170, 118365211), (290, 69386503), (479, 42008530), (493, 40815590), (958, 21004265), (986, 20407795), (2395, 8401706), (2465, 8163118), (4790, 4200853), (4930, 4081559), (8143, 2471090), (8521, 2361470), (13891, 1448570), (16286, 1235545), (17042, 1180735), (27782, 724285), (40715, 494218), (42605, 472294), (69455, 289714), (81430, 247109), (85210, 236147), (138910, 144857)]