20053531491

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1\times {\mathrm{18839}}^1$

素因数の和:19315

約数の個数: 32

約数和(自身を含む): 30840929280

約数和(自身を除く): 10787397789

約数列:

[1, 3, 7, 21, 173, 293, 519, 879, 1211, 2051, 3633, 6153, 18839, 50689, 56517, 131873, 152067, 354823, 395619, 1064469, 3259147, 5519827, 9777441, 16559481, 22814029, 38638789, 68442087, 115916367, 954930071, 2864790213, 6684510497, 20053531491]

約数ペア:

[(1, 20053531491), (3, 6684510497), (7, 2864790213), (21, 954930071), (173, 115916367), (293, 68442087), (519, 38638789), (879, 22814029), (1211, 16559481), (2051, 9777441), (3633, 5519827), (6153, 3259147), (18839, 1064469), (50689, 395619), (56517, 354823), (131873, 152067)]