20558874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25763}}^1$

素因数の和:25794

約数の個数: 32

約数和(自身を含む): 49466880

約数和(自身を除く): 28908006

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25763, 51526, 77289, 154578, 180341, 360682, 489497, 541023, 978994, 1082046, 1468491, 2936982, 3426479, 6852958, 10279437, 20558874]

約数ペア:

[(1, 20558874), (2, 10279437), (3, 6852958), (6, 3426479), (7, 2936982), (14, 1468491), (19, 1082046), (21, 978994), (38, 541023), (42, 489497), (57, 360682), (114, 180341), (133, 154578), (266, 77289), (399, 51526), (798, 25763)]