20422479

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 13768881

約数列:

[1, 3, 7, 11, 21, 33, 77, 211, 231, 419, 633, 1257, 1477, 2321, 2933, 4431, 4609, 6963, 8799, 13827, 16247, 32263, 48741, 88409, 96789, 265227, 618863, 972499, 1856589, 2917497, 6807493, 20422479]

約数ペア:

[(1, 20422479), (3, 6807493), (7, 2917497), (11, 1856589), (21, 972499), (33, 618863), (77, 265227), (211, 96789), (231, 88409), (419, 48741), (633, 32263), (1257, 16247), (1477, 13827), (2321, 8799), (2933, 6963), (4431, 4609)]