20682625535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{6679}}^1$

素因数の和:6840

約数の個数: 64

約数和(自身を含む): 30058076160

約数和(自身を除く): 9375450625

約数列:

[1, 5, 11, 13, 55, 61, 65, 71, 143, 305, 355, 671, 715, 781, 793, 923, 3355, 3905, 3965, 4331, 4615, 6679, 8723, 10153, 21655, 33395, 43615, 47641, 50765, 56303, 73469, 86827, 238205, 281515, 367345, 407419, 434135, 474209, 619333, 955097, 2037095, 2371045, 3096665, 4481609, 4775485, 5216299, 5296447, 6164717, 22408045, 26081495, 26482235, 28926749, 30823585, 58260917, 67811887, 144633745, 291304585, 318194239, 339059435, 376047737, 1590971195, 1880238685, 4136525107, 20682625535]

約数ペア:

[(1, 20682625535), (5, 4136525107), (11, 1880238685), (13, 1590971195), (55, 376047737), (61, 339059435), (65, 318194239), (71, 291304585), (143, 144633745), (305, 67811887), (355, 58260917), (671, 30823585), (715, 28926749), (781, 26482235), (793, 26081495), (923, 22408045), (3355, 6164717), (3905, 5296447), (3965, 5216299), (4331, 4775485), (4615, 4481609), (6679, 3096665), (8723, 2371045), (10153, 2037095), (21655, 955097), (33395, 619333), (43615, 474209), (47641, 434135), (50765, 407419), (56303, 367345), (73469, 281515), (86827, 238205)]