20274345

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1$

素因数の和:4982

約数の個数: 48

約数和(自身を含む): 43260672

約数和(自身を除く): 22986327

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 4951, 14853, 24755, 34657, 44559, 64363, 74265, 103971, 173285, 193089, 222795, 311913, 321815, 450541, 519855, 579267, 965445, 1351623, 1559565, 2252705, 2896335, 4054869, 6758115, 20274345]

約数ペア:

[(1, 20274345), (3, 6758115), (5, 4054869), (7, 2896335), (9, 2252705), (13, 1559565), (15, 1351623), (21, 965445), (35, 579267), (39, 519855), (45, 450541), (63, 321815), (65, 311913), (91, 222795), (105, 193089), (117, 173285), (195, 103971), (273, 74265), (315, 64363), (455, 44559), (585, 34657), (819, 24755), (1365, 14853), (4095, 4951)]