20942019

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10723}}^1$

素因数の和:10767

約数の個数: 24

約数和(自身を含む): 35689472

約数和(自身を除く): 14747453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10723, 32169, 75061, 96507, 225183, 332413, 675549, 997239, 2326891, 2991717, 6980673, 20942019]

約数ペア:

[(1, 20942019), (3, 6980673), (7, 2991717), (9, 2326891), (21, 997239), (31, 675549), (63, 332413), (93, 225183), (217, 96507), (279, 75061), (651, 32169), (1953, 10723)]