20097315

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 23932125

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 81, 85, 105, 119, 135, 139, 153, 189, 243, 255, 315, 357, 405, 417, 459, 567, 595, 695, 765, 945, 973, 1071, 1215, 1251, 1377, 1701, 1785, 2085, 2295, 2363, 2835, 2919, 3213, 3753, 4131, 4865, 5355, 6255, 6885, 7089, 8505, 8757, 9639, 11259, 11815, 14595, 16065, 16541, 18765, 20655, 21267, 26271, 28917, 33777, 35445, 43785, 48195, 49623, 56295, 63801, 78813, 82705, 106335, 131355, 144585, 148869, 168885, 191403, 236439, 248115, 319005, 394065, 446607, 574209, 744345, 957015, 1182195, 1339821, 2233035, 2871045, 4019463, 6699105, 20097315]

約数ペア:

[(1, 20097315), (3, 6699105), (5, 4019463), (7, 2871045), (9, 2233035), (15, 1339821), (17, 1182195), (21, 957015), (27, 744345), (35, 574209), (45, 446607), (51, 394065), (63, 319005), (81, 248115), (85, 236439), (105, 191403), (119, 168885), (135, 148869), (139, 144585), (153, 131355), (189, 106335), (243, 82705), (255, 78813), (315, 63801), (357, 56295), (405, 49623), (417, 48195), (459, 43785), (567, 35445), (595, 33777), (695, 28917), (765, 26271), (945, 21267), (973, 20655), (1071, 18765), (1215, 16541), (1251, 16065), (1377, 14595), (1701, 11815), (1785, 11259), (2085, 9639), (2295, 8757), (2363, 8505), (2835, 7089), (2919, 6885), (3213, 6255), (3753, 5355), (4131, 4865)]