20866300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 55753376

約数和(自身を除く): 34887076

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2293, 4550, 4586, 9100, 9172, 11465, 16051, 22930, 29809, 32102, 45860, 57325, 59618, 64204, 80255, 114650, 119236, 149045, 160510, 208663, 229300, 298090, 321020, 401275, 417326, 596180, 745225, 802550, 834652, 1043315, 1490450, 1605100, 2086630, 2980900, 4173260, 5216575, 10433150, 20866300]

約数ペア:

[(1, 20866300), (2, 10433150), (4, 5216575), (5, 4173260), (7, 2980900), (10, 2086630), (13, 1605100), (14, 1490450), (20, 1043315), (25, 834652), (26, 802550), (28, 745225), (35, 596180), (50, 417326), (52, 401275), (65, 321020), (70, 298090), (91, 229300), (100, 208663), (130, 160510), (140, 149045), (175, 119236), (182, 114650), (260, 80255), (325, 64204), (350, 59618), (364, 57325), (455, 45860), (650, 32102), (700, 29809), (910, 22930), (1300, 16051), (1820, 11465), (2275, 9172), (2293, 9100), (4550, 4586)]