20360336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:999

約数の個数: 40

約数和(自身を含む): 41884224

約数和(自身を除く): 21523888

約数列:

[1, 2, 4, 8, 16, 23, 46, 61, 92, 122, 184, 244, 368, 488, 907, 976, 1403, 1814, 2806, 3628, 5612, 7256, 11224, 14512, 20861, 22448, 41722, 55327, 83444, 110654, 166888, 221308, 333776, 442616, 885232, 1272521, 2545042, 5090084, 10180168, 20360336]

約数ペア:

[(1, 20360336), (2, 10180168), (4, 5090084), (8, 2545042), (16, 1272521), (23, 885232), (46, 442616), (61, 333776), (92, 221308), (122, 166888), (184, 110654), (244, 83444), (368, 55327), (488, 41722), (907, 22448), (976, 20861), (1403, 14512), (1814, 11224), (2806, 7256), (3628, 5612)]