2021058860

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1\times {\mathrm{1669}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 4282467840

約数和(自身を除く): 2261408980

約数列:

[1, 2, 4, 5, 10, 20, 191, 317, 382, 634, 764, 955, 1268, 1585, 1669, 1910, 3170, 3338, 3820, 6340, 6676, 8345, 16690, 33380, 60547, 121094, 242188, 302735, 318779, 529073, 605470, 637558, 1058146, 1210940, 1275116, 1593895, 2116292, 2645365, 3187790, 5290730, 6375580, 10581460, 101052943, 202105886, 404211772, 505264715, 1010529430, 2021058860]

約数ペア:

[(1, 2021058860), (2, 1010529430), (4, 505264715), (5, 404211772), (10, 202105886), (20, 101052943), (191, 10581460), (317, 6375580), (382, 5290730), (634, 3187790), (764, 2645365), (955, 2116292), (1268, 1593895), (1585, 1275116), (1669, 1210940), (1910, 1058146), (3170, 637558), (3338, 605470), (3820, 529073), (6340, 318779), (6676, 302735), (8345, 242188), (16690, 121094), (33380, 60547)]