20134861775

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{4079}}^1$

素因数の和:4584

約数の個数: 48

約数和(自身を含む): 29035760640

約数和(自身を除く): 8900898865

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 421, 469, 1675, 2105, 2345, 2947, 4079, 10525, 11725, 14735, 20395, 28207, 28553, 73675, 101975, 141035, 142765, 197449, 273293, 705175, 713825, 987245, 1366465, 1717259, 1913051, 4936225, 6832325, 8586295, 9565255, 12020813, 42931475, 47826275, 60104065, 115056353, 300520325, 575281765, 805394471, 2876408825, 4026972355, 20134861775]

約数ペア:

[(1, 20134861775), (5, 4026972355), (7, 2876408825), (25, 805394471), (35, 575281765), (67, 300520325), (175, 115056353), (335, 60104065), (421, 47826275), (469, 42931475), (1675, 12020813), (2105, 9565255), (2345, 8586295), (2947, 6832325), (4079, 4936225), (10525, 1913051), (11725, 1717259), (14735, 1366465), (20395, 987245), (28207, 713825), (28553, 705175), (73675, 273293), (101975, 197449), (141035, 142765)]