20147443337

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{3203}}^1$

素因数の和:3390

約数の個数: 48

約数和(自身を含む): 25036107264

約数和(自身を除く): 4888663927

約数列:

[1, 7, 31, 41, 49, 101, 217, 287, 707, 1271, 1519, 2009, 3131, 3203, 4141, 4949, 8897, 21917, 22421, 28987, 62279, 99293, 128371, 131323, 153419, 156947, 202909, 323503, 695051, 898597, 919261, 2264521, 4071013, 4865357, 6290179, 6434827, 10028593, 13263623, 15851647, 28497091, 70200151, 92845361, 199479637, 411172313, 491401057, 649917527, 2878206191, 20147443337]

約数ペア:

[(1, 20147443337), (7, 2878206191), (31, 649917527), (41, 491401057), (49, 411172313), (101, 199479637), (217, 92845361), (287, 70200151), (707, 28497091), (1271, 15851647), (1519, 13263623), (2009, 10028593), (3131, 6434827), (3203, 6290179), (4141, 4865357), (4949, 4071013), (8897, 2264521), (21917, 919261), (22421, 898597), (28987, 695051), (62279, 323503), (99293, 202909), (128371, 156947), (131323, 153419)]