20806380618

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{2129}}^1\times {\mathrm{39727}}^1$

素因数の和:41902

約数の個数: 32

約数和(自身を含む): 42648802560

約数和(自身を除く): 21842421942

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 2129, 4258, 6387, 12774, 39727, 79454, 87289, 119181, 174578, 238362, 261867, 523734, 1628807, 3257614, 4886421, 9772842, 84578783, 169157566, 253736349, 507472698, 3467730103, 6935460206, 10403190309, 20806380618]

約数ペア:

[(1, 20806380618), (2, 10403190309), (3, 6935460206), (6, 3467730103), (41, 507472698), (82, 253736349), (123, 169157566), (246, 84578783), (2129, 9772842), (4258, 4886421), (6387, 3257614), (12774, 1628807), (39727, 523734), (79454, 261867), (87289, 238362), (119181, 174578)]