20400468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4177}}^1$

素因数の和:4232

約数の個数: 48

約数和(自身を含む): 53344704

約数和(自身を除く): 32944236

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 444, 814, 1221, 1628, 2442, 4177, 4884, 8354, 12531, 16708, 25062, 45947, 50124, 91894, 137841, 154549, 183788, 275682, 309098, 463647, 551364, 618196, 927294, 1700039, 1854588, 3400078, 5100117, 6800156, 10200234, 20400468]

約数ペア:

[(1, 20400468), (2, 10200234), (3, 6800156), (4, 5100117), (6, 3400078), (11, 1854588), (12, 1700039), (22, 927294), (33, 618196), (37, 551364), (44, 463647), (66, 309098), (74, 275682), (111, 183788), (132, 154549), (148, 137841), (222, 91894), (407, 50124), (444, 45947), (814, 25062), (1221, 16708), (1628, 12531), (2442, 8354), (4177, 4884)]