20706686

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10343}}^1$

素因数の和:10376

約数の個数: 32

約数和(自身を含む): 41707008

約数和(自身を除く): 21000322

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 10343, 20686, 72401, 113773, 134459, 144802, 227546, 268918, 796411, 941213, 1479049, 1592822, 1882426, 2958098, 10353343, 20706686]

約数ペア:

[(1, 20706686), (2, 10353343), (7, 2958098), (11, 1882426), (13, 1592822), (14, 1479049), (22, 941213), (26, 796411), (77, 268918), (91, 227546), (143, 144802), (154, 134459), (182, 113773), (286, 72401), (1001, 20686), (2002, 10343)]