20499340428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{80621}}^1$

素因数の和:81647

約数の個数: 72

約数和(自身を含む): 59279744160

約数和(自身を除く): 38780403732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1009, 2018, 3027, 4036, 6054, 7063, 9081, 12108, 14126, 18162, 21189, 28252, 36324, 42378, 63567, 80621, 84756, 127134, 161242, 241863, 254268, 322484, 483726, 564347, 725589, 967452, 1128694, 1451178, 1693041, 2257388, 2902356, 3386082, 5079123, 6772164, 10158246, 20316492, 81346589, 162693178, 244039767, 325386356, 488079534, 569426123, 732119301, 976159068, 1138852246, 1464238602, 1708278369, 2277704492, 2928477204, 3416556738, 5124835107, 6833113476, 10249670214, 20499340428]

約数ペア:

[(1, 20499340428), (2, 10249670214), (3, 6833113476), (4, 5124835107), (6, 3416556738), (7, 2928477204), (9, 2277704492), (12, 1708278369), (14, 1464238602), (18, 1138852246), (21, 976159068), (28, 732119301), (36, 569426123), (42, 488079534), (63, 325386356), (84, 244039767), (126, 162693178), (252, 81346589), (1009, 20316492), (2018, 10158246), (3027, 6772164), (4036, 5079123), (6054, 3386082), (7063, 2902356), (9081, 2257388), (12108, 1693041), (14126, 1451178), (18162, 1128694), (21189, 967452), (28252, 725589), (36324, 564347), (42378, 483726), (63567, 322484), (80621, 254268), (84756, 241863), (127134, 161242)]