20552700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9787}}^1$

素因数の和:9811

約数の個数: 72

約数和(自身を含む): 67967872

約数和(自身を除く): 47415172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9787, 19574, 29361, 39148, 48935, 58722, 68509, 97870, 117444, 137018, 146805, 195740, 205527, 244675, 274036, 293610, 342545, 411054, 489350, 587220, 685090, 734025, 822108, 978700, 1027635, 1370180, 1468050, 1712725, 2055270, 2936100, 3425450, 4110540, 5138175, 6850900, 10276350, 20552700]

約数ペア:

[(1, 20552700), (2, 10276350), (3, 6850900), (4, 5138175), (5, 4110540), (6, 3425450), (7, 2936100), (10, 2055270), (12, 1712725), (14, 1468050), (15, 1370180), (20, 1027635), (21, 978700), (25, 822108), (28, 734025), (30, 685090), (35, 587220), (42, 489350), (50, 411054), (60, 342545), (70, 293610), (75, 274036), (84, 244675), (100, 205527), (105, 195740), (140, 146805), (150, 137018), (175, 117444), (210, 97870), (300, 68509), (350, 58722), (420, 48935), (525, 39148), (700, 29361), (1050, 19574), (2100, 9787)]