20211492778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{459791}}^1$

素因数の和:460533

約数の個数: 16

約数和(自身を含む): 31339422720

約数和(自身を除く): 11127929942

約数列:

[1, 2, 31, 62, 709, 1418, 21979, 43958, 459791, 919582, 14253521, 28507042, 325991819, 651983638, 10105746389, 20211492778]

約数ペア:

[(1, 20211492778), (2, 10105746389), (31, 651983638), (62, 325991819), (709, 28507042), (1418, 14253521), (21979, 919582), (43958, 459791)]