20161728580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4965943}}^1$

素因数の和:4965988

約数の個数: 48

約数和(自身を含む): 50056715520

約数和(自身を除く): 29894986940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4965943, 9931886, 19863772, 24829715, 34761601, 49659430, 69523202, 99318860, 139046404, 144012347, 173808005, 288024694, 347616010, 576049388, 695232020, 720061735, 1008086429, 1440123470, 2016172858, 2880246940, 4032345716, 5040432145, 10080864290, 20161728580]

約数ペア:

[(1, 20161728580), (2, 10080864290), (4, 5040432145), (5, 4032345716), (7, 2880246940), (10, 2016172858), (14, 1440123470), (20, 1008086429), (28, 720061735), (29, 695232020), (35, 576049388), (58, 347616010), (70, 288024694), (116, 173808005), (140, 144012347), (145, 139046404), (203, 99318860), (290, 69523202), (406, 49659430), (580, 34761601), (812, 24829715), (1015, 19863772), (2030, 9931886), (4060, 4965943)]