20257300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 51482816

約数和(自身を除く): 31225516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 673, 700, 860, 1075, 1204, 1346, 1505, 2150, 2692, 3010, 3365, 4300, 4711, 6020, 6730, 7525, 9422, 13460, 15050, 16825, 18844, 23555, 28939, 30100, 33650, 47110, 57878, 67300, 94220, 115756, 117775, 144695, 202573, 235550, 289390, 405146, 471100, 578780, 723475, 810292, 1012865, 1446950, 2025730, 2893900, 4051460, 5064325, 10128650, 20257300]

約数ペア:

[(1, 20257300), (2, 10128650), (4, 5064325), (5, 4051460), (7, 2893900), (10, 2025730), (14, 1446950), (20, 1012865), (25, 810292), (28, 723475), (35, 578780), (43, 471100), (50, 405146), (70, 289390), (86, 235550), (100, 202573), (140, 144695), (172, 117775), (175, 115756), (215, 94220), (301, 67300), (350, 57878), (430, 47110), (602, 33650), (673, 30100), (700, 28939), (860, 23555), (1075, 18844), (1204, 16825), (1346, 15050), (1505, 13460), (2150, 9422), (2692, 7525), (3010, 6730), (3365, 6020), (4300, 4711)]