20483470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2497

約数の個数: 48

約数和(自身を含む): 45431280

約数和(自身を除く): 24947810

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2459, 4165, 4918, 8330, 12295, 17213, 24590, 34426, 41803, 83606, 86065, 120491, 172130, 209015, 240982, 292621, 418030, 585242, 602455, 1204910, 1463105, 2048347, 2926210, 4096694, 10241735, 20483470]

約数ペア:

[(1, 20483470), (2, 10241735), (5, 4096694), (7, 2926210), (10, 2048347), (14, 1463105), (17, 1204910), (34, 602455), (35, 585242), (49, 418030), (70, 292621), (85, 240982), (98, 209015), (119, 172130), (170, 120491), (238, 86065), (245, 83606), (490, 41803), (595, 34426), (833, 24590), (1190, 17213), (1666, 12295), (2459, 8330), (4165, 4918)]