20156520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167971}}^1$

素因数の和:167985

約数の個数: 32

約数和(自身を含む): 60469920

約数和(自身を除く): 40313400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167971, 335942, 503913, 671884, 839855, 1007826, 1343768, 1679710, 2015652, 2519565, 3359420, 4031304, 5039130, 6718840, 10078260, 20156520]

約数ペア:

[(1, 20156520), (2, 10078260), (3, 6718840), (4, 5039130), (5, 4031304), (6, 3359420), (8, 2519565), (10, 2015652), (12, 1679710), (15, 1343768), (20, 1007826), (24, 839855), (30, 671884), (40, 503913), (60, 335942), (120, 167971)]