20444816

素因数分解:

$2^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{659}}^1$

素因数の和:951

約数の個数: 40

約数和(自身を含む): 45503040

約数和(自身を除く): 25058224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 277, 554, 659, 1108, 1318, 1939, 2216, 2636, 3878, 4432, 4613, 5272, 7756, 9226, 10544, 15512, 18452, 31024, 36904, 73808, 182543, 365086, 730172, 1277801, 1460344, 2555602, 2920688, 5111204, 10222408, 20444816]

約数ペア:

[(1, 20444816), (2, 10222408), (4, 5111204), (7, 2920688), (8, 2555602), (14, 1460344), (16, 1277801), (28, 730172), (56, 365086), (112, 182543), (277, 73808), (554, 36904), (659, 31024), (1108, 18452), (1318, 15512), (1939, 10544), (2216, 9226), (2636, 7756), (3878, 5272), (4432, 4613)]