20218113223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{63073}}^1$

素因数の和:63295

約数の個数: 32

約数和(自身を含む): 26448694272

約数和(自身を除く): 6230581049

約数列:

[1, 7, 11, 23, 77, 161, 181, 253, 1267, 1771, 1991, 4163, 13937, 29141, 45793, 63073, 320551, 441511, 693803, 1450679, 4856621, 10154753, 11416213, 15957469, 79913491, 111702283, 125578343, 262572899, 879048401, 1838010293, 2888301889, 20218113223]

約数ペア:

[(1, 20218113223), (7, 2888301889), (11, 1838010293), (23, 879048401), (77, 262572899), (161, 125578343), (181, 111702283), (253, 79913491), (1267, 15957469), (1771, 11416213), (1991, 10154753), (4163, 4856621), (13937, 1450679), (29141, 693803), (45793, 441511), (63073, 320551)]