20940318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8747}}^1$

素因数の和:8781

約数の個数: 48

約数和(自身を含む): 54587520

約数和(自身を除く): 33647202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8747, 17494, 26241, 52482, 61229, 78723, 122458, 157446, 166193, 183687, 332386, 367374, 498579, 551061, 997158, 1102122, 1163351, 1495737, 2326702, 2991474, 3490053, 6980106, 10470159, 20940318]

約数ペア:

[(1, 20940318), (2, 10470159), (3, 6980106), (6, 3490053), (7, 2991474), (9, 2326702), (14, 1495737), (18, 1163351), (19, 1102122), (21, 997158), (38, 551061), (42, 498579), (57, 367374), (63, 332386), (114, 183687), (126, 166193), (133, 157446), (171, 122458), (266, 78723), (342, 61229), (399, 52482), (798, 26241), (1197, 17494), (2394, 8747)]