20746236427

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1\times {\mathrm{1129}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 24772492800

約数和(自身を除く): 4026256373

約数列:

[1, 7, 29, 131, 203, 691, 917, 1129, 3799, 4837, 7903, 20039, 26593, 32741, 90521, 140273, 147899, 229187, 633647, 780139, 1035293, 2625109, 4289071, 5460973, 18375763, 22624031, 30023497, 102198209, 158368217, 715387463, 2963748061, 20746236427]

約数ペア:

[(1, 20746236427), (7, 2963748061), (29, 715387463), (131, 158368217), (203, 102198209), (691, 30023497), (917, 22624031), (1129, 18375763), (3799, 5460973), (4837, 4289071), (7903, 2625109), (20039, 1035293), (26593, 780139), (32741, 633647), (90521, 229187), (140273, 147899)]