16744460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 20450740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 409, 445, 460, 818, 890, 1636, 1780, 2045, 2047, 4090, 4094, 8180, 8188, 9407, 10235, 18814, 20470, 36401, 37628, 40940, 47035, 72802, 94070, 145604, 182005, 188140, 364010, 728020, 837223, 1674446, 3348892, 4186115, 8372230, 16744460]

約数ペア:

[(1, 16744460), (2, 8372230), (4, 4186115), (5, 3348892), (10, 1674446), (20, 837223), (23, 728020), (46, 364010), (89, 188140), (92, 182005), (115, 145604), (178, 94070), (230, 72802), (356, 47035), (409, 40940), (445, 37628), (460, 36401), (818, 20470), (890, 18814), (1636, 10235), (1780, 9407), (2045, 8188), (2047, 8180), (4090, 4094)]