20101287344

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40526789}}^1$

素因数の和:40526828

約数の個数: 20

約数和(自身を含む): 40202575680

約数和(自身を除く): 20101288336

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40526789, 81053578, 162107156, 324214312, 648428624, 1256330459, 2512660918, 5025321836, 10050643672, 20101287344]

約数ペア:

[(1, 20101287344), (2, 10050643672), (4, 5025321836), (8, 2512660918), (16, 1256330459), (31, 648428624), (62, 324214312), (124, 162107156), (248, 81053578), (496, 40526789)]