20330744

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8443}}^1$

素因数の和:8499

約数の個数: 32

約数和(自身を含む): 44584320

約数和(自身を除く): 24253576

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8443, 16886, 33772, 59101, 67544, 118202, 236404, 363049, 472808, 726098, 1452196, 2541343, 2904392, 5082686, 10165372, 20330744]

約数ペア:

[(1, 20330744), (2, 10165372), (4, 5082686), (7, 2904392), (8, 2541343), (14, 1452196), (28, 726098), (43, 472808), (56, 363049), (86, 236404), (172, 118202), (301, 67544), (344, 59101), (602, 33772), (1204, 16886), (2408, 8443)]