20565650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:963

約数の個数: 48

約数和(自身を含む): 44419776

約数和(自身を除く): 23854126

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 134, 175, 335, 350, 469, 670, 877, 938, 1675, 1754, 2345, 3350, 4385, 4690, 6139, 8770, 11725, 12278, 21925, 23450, 30695, 43850, 58759, 61390, 117518, 153475, 293795, 306950, 411313, 587590, 822626, 1468975, 2056565, 2937950, 4113130, 10282825, 20565650]

約数ペア:

[(1, 20565650), (2, 10282825), (5, 4113130), (7, 2937950), (10, 2056565), (14, 1468975), (25, 822626), (35, 587590), (50, 411313), (67, 306950), (70, 293795), (134, 153475), (175, 117518), (335, 61390), (350, 58759), (469, 43850), (670, 30695), (877, 23450), (938, 21925), (1675, 12278), (1754, 11725), (2345, 8770), (3350, 6139), (4385, 4690)]