20440365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 36187776

約数和(自身を除く): 15747411

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 1697, 2409, 4015, 5091, 8485, 12045, 18667, 25455, 56001, 93335, 123881, 280005, 371643, 619405, 1362691, 1858215, 4088073, 6813455, 20440365]

約数ペア:

[(1, 20440365), (3, 6813455), (5, 4088073), (11, 1858215), (15, 1362691), (33, 619405), (55, 371643), (73, 280005), (165, 123881), (219, 93335), (365, 56001), (803, 25455), (1095, 18667), (1697, 12045), (2409, 8485), (4015, 5091)]