20143690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9923}}^1$

素因数の和:9966

約数の個数: 32

約数和(自身を含む): 42871680

約数和(自身を除く): 22727990

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 9923, 19846, 49615, 69461, 99230, 138922, 287767, 347305, 575534, 694610, 1438835, 2014369, 2877670, 4028738, 10071845, 20143690]

約数ペア:

[(1, 20143690), (2, 10071845), (5, 4028738), (7, 2877670), (10, 2014369), (14, 1438835), (29, 694610), (35, 575534), (58, 347305), (70, 287767), (145, 138922), (203, 99230), (290, 69461), (406, 49615), (1015, 19846), (2030, 9923)]