20180472008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{9949}}^1\times {\mathrm{8179}}^1$

素因数の和:18165

約数の個数: 32

約数和(自身を含む): 39067680000

約数和(自身を除く): 18887207992

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 8179, 9949, 16358, 19898, 32716, 39796, 65432, 79592, 253549, 308419, 507098, 616838, 1014196, 1233676, 2028392, 2467352, 81372871, 162745742, 325491484, 650982968, 2522559001, 5045118002, 10090236004, 20180472008]

約数ペア:

[(1, 20180472008), (2, 10090236004), (4, 5045118002), (8, 2522559001), (31, 650982968), (62, 325491484), (124, 162745742), (248, 81372871), (8179, 2467352), (9949, 2028392), (16358, 1233676), (19898, 1014196), (32716, 616838), (39796, 507098), (65432, 308419), (79592, 253549)]