20124396520

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2087593}}^1$

素因数の和:2087845

約数の個数: 32

約数和(自身を含む): 45467797320

約数和(自身を除く): 25343400800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 9640, 2087593, 4175186, 8350372, 10437965, 16700744, 20875930, 41751860, 83503720, 503109913, 1006219826, 2012439652, 2515549565, 4024879304, 5031099130, 10062198260, 20124396520]

約数ペア:

[(1, 20124396520), (2, 10062198260), (4, 5031099130), (5, 4024879304), (8, 2515549565), (10, 2012439652), (20, 1006219826), (40, 503109913), (241, 83503720), (482, 41751860), (964, 20875930), (1205, 16700744), (1928, 10437965), (2410, 8350372), (4820, 4175186), (9640, 2087593)]