20944794

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1021}}^1$

素因数の和:1302

約数の個数: 32

約数和(自身を含む): 45327744

約数和(自身を除く): 24382950

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1021, 1578, 2042, 3063, 3419, 6126, 6838, 10257, 13273, 20514, 26546, 39819, 79638, 268523, 537046, 805569, 1611138, 3490799, 6981598, 10472397, 20944794]

約数ペア:

[(1, 20944794), (2, 10472397), (3, 6981598), (6, 3490799), (13, 1611138), (26, 805569), (39, 537046), (78, 268523), (263, 79638), (526, 39819), (789, 26546), (1021, 20514), (1578, 13273), (2042, 10257), (3063, 6838), (3419, 6126)]