20795229

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25391}}^1$

素因数の和:25417

約数の個数: 24

約数和(自身を含む): 36970752

約数和(自身を除く): 16175523

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25391, 76173, 177737, 228519, 330083, 533211, 990249, 1599633, 2310581, 2970747, 6931743, 20795229]

約数ペア:

[(1, 20795229), (3, 6931743), (7, 2970747), (9, 2310581), (13, 1599633), (21, 990249), (39, 533211), (63, 330083), (91, 228519), (117, 177737), (273, 76173), (819, 25391)]