20321700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9677}}^1$

素因数の和:9701

約数の個数: 72

約数和(自身を含む): 67204032

約数和(自身を除く): 46882332

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, 9677, 19354, 29031, 38708, 48385, 58062, 67739, 96770, 116124, 135478, 145155, 193540, 203217, 241925, 270956, 290310, 338695, 406434, 483850, 580620, 677390, 725775, 812868, 967700, 1016085, 1354780, 1451550, 1693475, 2032170, 2903100, 3386950, 4064340, 5080425, 6773900, 10160850, 20321700]

約数ペア:

[(1, 20321700), (2, 10160850), (3, 6773900), (4, 5080425), (5, 4064340), (6, 3386950), (7, 2903100), (10, 2032170), (12, 1693475), (14, 1451550), (15, 1354780), (20, 1016085), (21, 967700), (25, 812868), (28, 725775), (30, 677390), (35, 580620), (42, 483850), (50, 406434), (60, 338695), (70, 290310), (75, 270956), (84, 241925), (100, 203217), (105, 193540), (140, 145155), (150, 135478), (175, 116124), (210, 96770), (300, 67739), (350, 58062), (420, 48385), (525, 38708), (700, 29031), (1050, 19354), (2100, 9677)]