22520135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 8169145

約数列:

[1, 5, 11, 55, 71, 73, 79, 355, 365, 395, 781, 803, 869, 3905, 4015, 4345, 5183, 5609, 5767, 25915, 28045, 28835, 57013, 61699, 63437, 285065, 308495, 317185, 409457, 2047285, 4504027, 22520135]

約数ペア:

[(1, 22520135), (5, 4504027), (11, 2047285), (55, 409457), (71, 317185), (73, 308495), (79, 285065), (355, 63437), (365, 61699), (395, 57013), (781, 28835), (803, 28045), (869, 25915), (3905, 5767), (4015, 5609), (4345, 5183)]