20407437610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{6481}}^1\times {\mathrm{44983}}^1$

素因数の和:51478

約数の個数: 32

約数和(自身を含む): 41988425472

約数和(自身を除く): 21580987862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 6481, 12962, 32405, 44983, 45367, 64810, 89966, 90734, 224915, 226835, 314881, 449830, 453670, 629762, 1574405, 3148810, 291534823, 583069646, 1457674115, 2040743761, 2915348230, 4081487522, 10203718805, 20407437610]

約数ペア:

[(1, 20407437610), (2, 10203718805), (5, 4081487522), (7, 2915348230), (10, 2040743761), (14, 1457674115), (35, 583069646), (70, 291534823), (6481, 3148810), (12962, 1574405), (32405, 629762), (44983, 453670), (45367, 449830), (64810, 314881), (89966, 226835), (90734, 224915)]