20142650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 41702688

約数和(自身を除く): 21560038

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 53, 55, 106, 110, 265, 275, 530, 550, 583, 691, 1166, 1325, 1382, 2650, 2915, 3455, 5830, 6910, 7601, 14575, 15202, 17275, 29150, 34550, 36623, 38005, 73246, 76010, 183115, 190025, 366230, 380050, 402853, 805706, 915575, 1831150, 2014265, 4028530, 10071325, 20142650]

約数ペア:

[(1, 20142650), (2, 10071325), (5, 4028530), (10, 2014265), (11, 1831150), (22, 915575), (25, 805706), (50, 402853), (53, 380050), (55, 366230), (106, 190025), (110, 183115), (265, 76010), (275, 73246), (530, 38005), (550, 36623), (583, 34550), (691, 29150), (1166, 17275), (1325, 15202), (1382, 14575), (2650, 7601), (2915, 6910), (3455, 5830)]