20708600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9413}}^1$

素因数の和:9440

約数の個数: 48

約数和(自身を含む): 52530120

約数和(自身を除く): 31821520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9413, 18826, 37652, 47065, 75304, 94130, 103543, 188260, 207086, 235325, 376520, 414172, 470650, 517715, 828344, 941300, 1035430, 1882600, 2070860, 2588575, 4141720, 5177150, 10354300, 20708600]

約数ペア:

[(1, 20708600), (2, 10354300), (4, 5177150), (5, 4141720), (8, 2588575), (10, 2070860), (11, 1882600), (20, 1035430), (22, 941300), (25, 828344), (40, 517715), (44, 470650), (50, 414172), (55, 376520), (88, 235325), (100, 207086), (110, 188260), (200, 103543), (220, 94130), (275, 75304), (440, 47065), (550, 37652), (1100, 18826), (2200, 9413)]