20144890563

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3301}}^1\times {\mathrm{4093}}^1$

素因数の和:7475

約数の個数: 32

約数和(自身を含む): 31146365952

約数和(自身を除く): 11001475389

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 3301, 4093, 9903, 12279, 23107, 28651, 69321, 85953, 234371, 290603, 703113, 871809, 1640597, 2034221, 4921791, 6102663, 13510993, 40532979, 94576951, 283730853, 959280503, 2877841509, 6714963521, 20144890563]

約数ペア:

[(1, 20144890563), (3, 6714963521), (7, 2877841509), (21, 959280503), (71, 283730853), (213, 94576951), (497, 40532979), (1491, 13510993), (3301, 6102663), (4093, 4921791), (9903, 2034221), (12279, 1640597), (23107, 871809), (28651, 703113), (69321, 290603), (85953, 234371)]