20684850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{3727}}^1$

素因数の和:3779

約数の個数: 48

約数和(自身を含む): 52699008

約数和(自身を除く): 32014158

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 150, 185, 222, 370, 555, 925, 1110, 1850, 2775, 3727, 5550, 7454, 11181, 18635, 22362, 37270, 55905, 93175, 111810, 137899, 186350, 275798, 279525, 413697, 559050, 689495, 827394, 1378990, 2068485, 3447475, 4136970, 6894950, 10342425, 20684850]

約数ペア:

[(1, 20684850), (2, 10342425), (3, 6894950), (5, 4136970), (6, 3447475), (10, 2068485), (15, 1378990), (25, 827394), (30, 689495), (37, 559050), (50, 413697), (74, 279525), (75, 275798), (111, 186350), (150, 137899), (185, 111810), (222, 93175), (370, 55905), (555, 37270), (925, 22362), (1110, 18635), (1850, 11181), (2775, 7454), (3727, 5550)]