20619657

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 12039543

約数列:

[1, 3, 9, 17, 27, 51, 153, 167, 269, 459, 501, 807, 1503, 2421, 2839, 4509, 4573, 7263, 8517, 13719, 25551, 41157, 44923, 76653, 123471, 134769, 404307, 763691, 1212921, 2291073, 6873219, 20619657]

約数ペア:

[(1, 20619657), (3, 6873219), (9, 2291073), (17, 1212921), (27, 763691), (51, 404307), (153, 134769), (167, 123471), (269, 76653), (459, 44923), (501, 41157), (807, 25551), (1503, 13719), (2421, 8517), (2839, 7263), (4509, 4573)]