20882715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11699}}^1$

素因数の和:11731

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19552485

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11699, 35097, 58495, 81893, 175485, 198883, 245679, 409465, 596649, 994415, 1228395, 1392181, 2983245, 4176543, 6960905, 20882715]

約数ペア:

[(1, 20882715), (3, 6960905), (5, 4176543), (7, 2983245), (15, 1392181), (17, 1228395), (21, 994415), (35, 596649), (51, 409465), (85, 245679), (105, 198883), (119, 175485), (255, 81893), (357, 58495), (595, 35097), (1785, 11699)]