20830487020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{93637}}^1$

素因数の和:93887

約数の個数: 72

約数和(自身を含む): 51110616816

約数和(自身を除く): 30280129796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 227, 245, 454, 490, 908, 980, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 11123, 15890, 22246, 31780, 44492, 55615, 93637, 111230, 187274, 222460, 374548, 468185, 655459, 936370, 1310918, 1872740, 2621836, 3277295, 4588213, 6554590, 9176426, 13109180, 18352852, 21255599, 22941065, 42511198, 45882130, 85022396, 91764260, 106277995, 148789193, 212555990, 297578386, 425111980, 595156772, 743945965, 1041524351, 1487891930, 2083048702, 2975783860, 4166097404, 5207621755, 10415243510, 20830487020]

約数ペア:

[(1, 20830487020), (2, 10415243510), (4, 5207621755), (5, 4166097404), (7, 2975783860), (10, 2083048702), (14, 1487891930), (20, 1041524351), (28, 743945965), (35, 595156772), (49, 425111980), (70, 297578386), (98, 212555990), (140, 148789193), (196, 106277995), (227, 91764260), (245, 85022396), (454, 45882130), (490, 42511198), (908, 22941065), (980, 21255599), (1135, 18352852), (1589, 13109180), (2270, 9176426), (3178, 6554590), (4540, 4588213), (6356, 3277295), (7945, 2621836), (11123, 1872740), (15890, 1310918), (22246, 936370), (31780, 655459), (44492, 468185), (55615, 374548), (93637, 222460), (111230, 187274)]