20181160920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{75721}}^1$

素因数の和:77956

約数の個数: 64

約数和(自身を含む): 60571542240

約数和(自身を除く): 40390381320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2221, 4442, 6663, 8884, 11105, 13326, 17768, 22210, 26652, 33315, 44420, 53304, 66630, 75721, 88840, 133260, 151442, 227163, 266520, 302884, 378605, 454326, 605768, 757210, 908652, 1135815, 1514420, 1817304, 2271630, 3028840, 4543260, 9086520, 168176341, 336352682, 504529023, 672705364, 840881705, 1009058046, 1345410728, 1681763410, 2018116092, 2522645115, 3363526820, 4036232184, 5045290230, 6727053640, 10090580460, 20181160920]

約数ペア:

[(1, 20181160920), (2, 10090580460), (3, 6727053640), (4, 5045290230), (5, 4036232184), (6, 3363526820), (8, 2522645115), (10, 2018116092), (12, 1681763410), (15, 1345410728), (20, 1009058046), (24, 840881705), (30, 672705364), (40, 504529023), (60, 336352682), (120, 168176341), (2221, 9086520), (4442, 4543260), (6663, 3028840), (8884, 2271630), (11105, 1817304), (13326, 1514420), (17768, 1135815), (22210, 908652), (26652, 757210), (33315, 605768), (44420, 454326), (53304, 378605), (66630, 302884), (75721, 266520), (88840, 227163), (133260, 151442)]