20666160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28703}}^1$

素因数の和:28722

約数の個数: 60

約数和(自身を含む): 69406272

約数和(自身を除く): 48740112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28703, 57406, 86109, 114812, 143515, 172218, 229624, 258327, 287030, 344436, 430545, 459248, 516654, 574060, 688872, 861090, 1033308, 1148120, 1291635, 1377744, 1722180, 2066616, 2296240, 2583270, 3444360, 4133232, 5166540, 6888720, 10333080, 20666160]

約数ペア:

[(1, 20666160), (2, 10333080), (3, 6888720), (4, 5166540), (5, 4133232), (6, 3444360), (8, 2583270), (9, 2296240), (10, 2066616), (12, 1722180), (15, 1377744), (16, 1291635), (18, 1148120), (20, 1033308), (24, 861090), (30, 688872), (36, 574060), (40, 516654), (45, 459248), (48, 430545), (60, 344436), (72, 287030), (80, 258327), (90, 229624), (120, 172218), (144, 143515), (180, 114812), (240, 86109), (360, 57406), (720, 28703)]