20856150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{2207}}^1$

素因数の和:2235

約数の個数: 96

約数和(自身を含む): 65710080

約数和(自身を除く): 44853930

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 2207, 3150, 4414, 4725, 6621, 9450, 11035, 13242, 15449, 19863, 22070, 30898, 33105, 39726, 46347, 55175, 59589, 66210, 77245, 92694, 99315, 110350, 119178, 139041, 154490, 165525, 198630, 231735, 278082, 297945, 331050, 386225, 417123, 463470, 496575, 595890, 695205, 772450, 834246, 993150, 1158675, 1390410, 1489725, 2085615, 2317350, 2979450, 3476025, 4171230, 6952050, 10428075, 20856150]

約数ペア:

[(1, 20856150), (2, 10428075), (3, 6952050), (5, 4171230), (6, 3476025), (7, 2979450), (9, 2317350), (10, 2085615), (14, 1489725), (15, 1390410), (18, 1158675), (21, 993150), (25, 834246), (27, 772450), (30, 695205), (35, 595890), (42, 496575), (45, 463470), (50, 417123), (54, 386225), (63, 331050), (70, 297945), (75, 278082), (90, 231735), (105, 198630), (126, 165525), (135, 154490), (150, 139041), (175, 119178), (189, 110350), (210, 99315), (225, 92694), (270, 77245), (315, 66210), (350, 59589), (378, 55175), (450, 46347), (525, 39726), (630, 33105), (675, 30898), (945, 22070), (1050, 19863), (1350, 15449), (1575, 13242), (1890, 11035), (2207, 9450), (3150, 6621), (4414, 4725)]