20522403

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 34569216

約数和(自身を除く): 14046813

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 279, 297, 341, 743, 837, 891, 1023, 2229, 2511, 3069, 6687, 8173, 9207, 20061, 23033, 24519, 27621, 60183, 69099, 73557, 207297, 220671, 253363, 621891, 662013, 760089, 1865673, 2280267, 6840801, 20522403]

約数ペア:

[(1, 20522403), (3, 6840801), (9, 2280267), (11, 1865673), (27, 760089), (31, 662013), (33, 621891), (81, 253363), (93, 220671), (99, 207297), (279, 73557), (297, 69099), (341, 60183), (743, 27621), (837, 24519), (891, 23033), (1023, 20061), (2229, 9207), (2511, 8173), (3069, 6687)]