20122263

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1585

約数の個数: 40

約数和(自身を含む): 35870208

約数和(自身を除く): 15747945

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1543, 1863, 4347, 4629, 10801, 13041, 13887, 32403, 35489, 41661, 97209, 106467, 124983, 248423, 291627, 319401, 745269, 874881, 958203, 2235807, 2874609, 6707421, 20122263]

約数ペア:

[(1, 20122263), (3, 6707421), (7, 2874609), (9, 2235807), (21, 958203), (23, 874881), (27, 745269), (63, 319401), (69, 291627), (81, 248423), (161, 124983), (189, 106467), (207, 97209), (483, 41661), (567, 35489), (621, 32403), (1449, 13887), (1543, 13041), (1863, 10801), (4347, 4629)]