20656971996

素因数分解:

$2^2\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1259}}^1\times {\mathrm{3343}}^1$

素因数の和:5018

約数の個数: 48

約数和(自身を含む): 48370291200

約数和(自身を除く): 27713319204

約数列:

[1, 2, 3, 4, 6, 12, 409, 818, 1227, 1259, 1636, 2454, 2518, 3343, 3777, 4908, 5036, 6686, 7554, 10029, 13372, 15108, 20058, 40116, 514931, 1029862, 1367287, 1544793, 2059724, 2734574, 3089586, 4101861, 4208837, 5469148, 6179172, 8203722, 8417674, 12626511, 16407444, 16835348, 25253022, 50506044, 1721414333, 3442828666, 5164242999, 6885657332, 10328485998, 20656971996]

約数ペア:

[(1, 20656971996), (2, 10328485998), (3, 6885657332), (4, 5164242999), (6, 3442828666), (12, 1721414333), (409, 50506044), (818, 25253022), (1227, 16835348), (1259, 16407444), (1636, 12626511), (2454, 8417674), (2518, 8203722), (3343, 6179172), (3777, 5469148), (4908, 4208837), (5036, 4101861), (6686, 3089586), (7554, 2734574), (10029, 2059724), (13372, 1544793), (15108, 1367287), (20058, 1029862), (40116, 514931)]