20937693

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 13124643

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 263, 357, 669, 789, 1561, 1841, 3791, 4471, 4683, 5523, 11373, 13413, 26537, 31297, 58649, 79611, 93891, 175947, 410543, 997033, 1231629, 2991099, 6979231, 20937693]

約数ペア:

[(1, 20937693), (3, 6979231), (7, 2991099), (17, 1231629), (21, 997033), (51, 410543), (119, 175947), (223, 93891), (263, 79611), (357, 58649), (669, 31297), (789, 26537), (1561, 13413), (1841, 11373), (3791, 5523), (4471, 4683)]