20121826

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 32783616

約数和(自身を除く): 12661790

約数列:

[1, 2, 23, 46, 61, 71, 101, 122, 142, 202, 1403, 1633, 2323, 2806, 3266, 4331, 4646, 6161, 7171, 8662, 12322, 14342, 99613, 141703, 164933, 199226, 283406, 329866, 437431, 874862, 10060913, 20121826]

約数ペア:

[(1, 20121826), (2, 10060913), (23, 874862), (46, 437431), (61, 329866), (71, 283406), (101, 199226), (122, 164933), (142, 141703), (202, 99613), (1403, 14342), (1633, 12322), (2323, 8662), (2806, 7171), (3266, 6161), (4331, 4646)]