20126331290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1009}}^1\times {\mathrm{153437}}^1$

素因数の和:154466

約数の個数: 32

約数和(自身を含む): 39053039760

約数和(自身を除く): 18926708470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1009, 2018, 5045, 10090, 13117, 26234, 65585, 131170, 153437, 306874, 767185, 1534370, 1994681, 3989362, 9973405, 19946810, 154817933, 309635866, 774089665, 1548179330, 2012633129, 4025266258, 10063165645, 20126331290]

約数ペア:

[(1, 20126331290), (2, 10063165645), (5, 4025266258), (10, 2012633129), (13, 1548179330), (26, 774089665), (65, 309635866), (130, 154817933), (1009, 19946810), (2018, 9973405), (5045, 3989362), (10090, 1994681), (13117, 1534370), (26234, 767185), (65585, 306874), (131170, 153437)]