20218869

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3583}}^1$

素因数の和:3622

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 14187531

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3583, 5643, 10749, 32247, 39413, 68077, 96741, 118239, 204231, 354717, 612693, 748847, 1064151, 1838079, 2246541, 6739623, 20218869]

約数ペア:

[(1, 20218869), (3, 6739623), (9, 2246541), (11, 1838079), (19, 1064151), (27, 748847), (33, 612693), (57, 354717), (99, 204231), (171, 118239), (209, 96741), (297, 68077), (513, 39413), (627, 32247), (1881, 10749), (3583, 5643)]