20675484

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8089}}^1$

素因数の和:8170

約数の個数: 36

約数和(自身を含む): 53005680

約数和(自身を除く): 32330196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 8089, 16178, 24267, 32356, 48534, 72801, 97068, 145602, 291204, 574319, 1148638, 1722957, 2297276, 3445914, 5168871, 6891828, 10337742, 20675484]

約数ペア:

[(1, 20675484), (2, 10337742), (3, 6891828), (4, 5168871), (6, 3445914), (9, 2297276), (12, 1722957), (18, 1148638), (36, 574319), (71, 291204), (142, 145602), (213, 97068), (284, 72801), (426, 48534), (639, 32356), (852, 24267), (1278, 16178), (2556, 8089)]