20744694

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20219}}^1$

素因数の和:20249

約数の個数: 32

約数和(自身を含む): 48528000

約数和(自身を除く): 27783306

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20219, 40438, 60657, 121314, 181971, 363942, 384161, 545913, 768322, 1091826, 1152483, 2304966, 3457449, 6914898, 10372347, 20744694]

約数ペア:

[(1, 20744694), (2, 10372347), (3, 6914898), (6, 3457449), (9, 2304966), (18, 1152483), (19, 1091826), (27, 768322), (38, 545913), (54, 384161), (57, 363942), (114, 181971), (171, 121314), (342, 60657), (513, 40438), (1026, 20219)]