20626900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 51941120

約数和(自身を除く): 31314220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 373, 395, 553, 700, 746, 790, 1106, 1492, 1580, 1865, 1975, 2212, 2611, 2765, 3730, 3950, 5222, 5530, 7460, 7900, 9325, 10444, 11060, 13055, 13825, 18650, 26110, 27650, 29467, 37300, 52220, 55300, 58934, 65275, 117868, 130550, 147335, 206269, 261100, 294670, 412538, 589340, 736675, 825076, 1031345, 1473350, 2062690, 2946700, 4125380, 5156725, 10313450, 20626900]

約数ペア:

[(1, 20626900), (2, 10313450), (4, 5156725), (5, 4125380), (7, 2946700), (10, 2062690), (14, 1473350), (20, 1031345), (25, 825076), (28, 736675), (35, 589340), (50, 412538), (70, 294670), (79, 261100), (100, 206269), (140, 147335), (158, 130550), (175, 117868), (316, 65275), (350, 58934), (373, 55300), (395, 52220), (553, 37300), (700, 29467), (746, 27650), (790, 26110), (1106, 18650), (1492, 13825), (1580, 13055), (1865, 11060), (1975, 10444), (2212, 9325), (2611, 7900), (2765, 7460), (3730, 5530), (3950, 5222)]