20165202540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{16004129}}^1$

素因数の和:16004151

約数の個数: 72

約数和(自身を含む): 69906039840

約数和(自身を除く): 49740837300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 16004129, 32008258, 48012387, 64016516, 80020645, 96024774, 112028903, 144037161, 160041290, 192049548, 224057806, 240061935, 288074322, 320082580, 336086709, 448115612, 480123870, 560144515, 576148644, 672173418, 720185805, 960247740, 1008260127, 1120289030, 1344346836, 1440371610, 1680433545, 2016520254, 2240578060, 2880743220, 3360867090, 4033040508, 5041300635, 6721734180, 10082601270, 20165202540]

約数ペア:

[(1, 20165202540), (2, 10082601270), (3, 6721734180), (4, 5041300635), (5, 4033040508), (6, 3360867090), (7, 2880743220), (9, 2240578060), (10, 2016520254), (12, 1680433545), (14, 1440371610), (15, 1344346836), (18, 1120289030), (20, 1008260127), (21, 960247740), (28, 720185805), (30, 672173418), (35, 576148644), (36, 560144515), (42, 480123870), (45, 448115612), (60, 336086709), (63, 320082580), (70, 288074322), (84, 240061935), (90, 224057806), (105, 192049548), (126, 160041290), (140, 144037161), (180, 112028903), (210, 96024774), (252, 80020645), (315, 64016516), (420, 48012387), (630, 32008258), (1260, 16004129)]