20865222716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{6679}}^1\times {\mathrm{60077}}^1$

素因数の和:66773

約数の個数: 24

約数和(自身を含む): 39329461920

約数和(自身を除く): 18464239204

約数列:

[1, 2, 4, 13, 26, 52, 6679, 13358, 26716, 60077, 86827, 120154, 173654, 240308, 347308, 781001, 1562002, 3124004, 401254283, 802508566, 1605017132, 5216305679, 10432611358, 20865222716]

約数ペア:

[(1, 20865222716), (2, 10432611358), (4, 5216305679), (13, 1605017132), (26, 802508566), (52, 401254283), (6679, 3124004), (13358, 1562002), (26716, 781001), (60077, 347308), (86827, 240308), (120154, 173654)]