20737574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2396

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 17001946

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2339, 4433, 4678, 8866, 25729, 30407, 51458, 60814, 72509, 145018, 334477, 668954, 797599, 942617, 1595198, 1885234, 10368787, 20737574]

約数ペア:

[(1, 20737574), (2, 10368787), (11, 1885234), (13, 1595198), (22, 942617), (26, 797599), (31, 668954), (62, 334477), (143, 145018), (286, 72509), (341, 60814), (403, 51458), (682, 30407), (806, 25729), (2339, 8866), (4433, 4678)]