20864400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17387}}^1$

素因数の和:17408

約数の個数: 60

約数和(自身を含む): 66839472

約数和(自身を除く): 45975072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17387, 34774, 52161, 69548, 86935, 104322, 139096, 173870, 208644, 260805, 278192, 347740, 417288, 434675, 521610, 695480, 834576, 869350, 1043220, 1304025, 1390960, 1738700, 2086440, 2608050, 3477400, 4172880, 5216100, 6954800, 10432200, 20864400]

約数ペア:

[(1, 20864400), (2, 10432200), (3, 6954800), (4, 5216100), (5, 4172880), (6, 3477400), (8, 2608050), (10, 2086440), (12, 1738700), (15, 1390960), (16, 1304025), (20, 1043220), (24, 869350), (25, 834576), (30, 695480), (40, 521610), (48, 434675), (50, 417288), (60, 347740), (75, 278192), (80, 260805), (100, 208644), (120, 173870), (150, 139096), (200, 104322), (240, 86935), (300, 69548), (400, 52161), (600, 34774), (1200, 17387)]