20274813

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12787587

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1229, 1269, 1833, 3687, 5499, 11061, 15977, 16497, 33183, 47931, 57763, 143793, 173289, 431379, 519867, 750919, 1559601, 2252757, 6758271, 20274813]

約数ペア:

[(1, 20274813), (3, 6758271), (9, 2252757), (13, 1559601), (27, 750919), (39, 519867), (47, 431379), (117, 173289), (141, 143793), (351, 57763), (423, 47931), (611, 33183), (1229, 16497), (1269, 15977), (1833, 11061), (3687, 5499)]