20199972387

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{23017}}^1$

素因数の和:23152

約数の個数: 48

約数和(自身を含む): 32586122240

約数和(自身を除く): 12386149853

約数列:

[1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 529, 553, 1587, 1659, 1817, 3703, 5451, 11109, 12719, 23017, 38157, 41791, 69051, 125373, 161119, 292537, 483357, 529391, 877611, 1588173, 1818343, 3705737, 5455029, 11117211, 12175993, 12728401, 36527979, 38185203, 41821889, 85231951, 125465667, 255695853, 292753223, 878259669, 961903447, 2885710341, 6733324129, 20199972387]

約数ペア:

[(1, 20199972387), (3, 6733324129), (7, 2885710341), (21, 961903447), (23, 878259669), (69, 292753223), (79, 255695853), (161, 125465667), (237, 85231951), (483, 41821889), (529, 38185203), (553, 36527979), (1587, 12728401), (1659, 12175993), (1817, 11117211), (3703, 5455029), (5451, 3705737), (11109, 1818343), (12719, 1588173), (23017, 877611), (38157, 529391), (41791, 483357), (69051, 292537), (125373, 161119)]