20007057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12894063

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1223, 2337, 3669, 5453, 8561, 16359, 23237, 25683, 50143, 69711, 150429, 162659, 351001, 487977, 952717, 1053003, 2858151, 6669019, 20007057]

約数ペア:

[(1, 20007057), (3, 6669019), (7, 2858151), (19, 1053003), (21, 952717), (41, 487977), (57, 351001), (123, 162659), (133, 150429), (287, 69711), (399, 50143), (779, 25683), (861, 23237), (1223, 16359), (2337, 8561), (3669, 5453)]