20937960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19387}}^1$

素因数の和:19407

約数の個数: 64

約数和(自身を含む): 69796800

約数和(自身を除く): 48858840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 19387, 38774, 58161, 77548, 96935, 116322, 155096, 174483, 193870, 232644, 290805, 348966, 387740, 465288, 523449, 581610, 697932, 775480, 872415, 1046898, 1163220, 1395864, 1744830, 2093796, 2326440, 2617245, 3489660, 4187592, 5234490, 6979320, 10468980, 20937960]

約数ペア:

[(1, 20937960), (2, 10468980), (3, 6979320), (4, 5234490), (5, 4187592), (6, 3489660), (8, 2617245), (9, 2326440), (10, 2093796), (12, 1744830), (15, 1395864), (18, 1163220), (20, 1046898), (24, 872415), (27, 775480), (30, 697932), (36, 581610), (40, 523449), (45, 465288), (54, 387740), (60, 348966), (72, 290805), (90, 232644), (108, 193870), (120, 174483), (135, 155096), (180, 116322), (216, 96935), (270, 77548), (360, 58161), (540, 38774), (1080, 19387)]