20788942

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:875

約数の個数: 16

約数和(自身を含む): 31796064

約数和(自身を除く): 11007122

約数列:

[1, 2, 71, 142, 281, 521, 562, 1042, 19951, 36991, 39902, 73982, 146401, 292802, 10394471, 20788942]

約数ペア:

[(1, 20788942), (2, 10394471), (71, 292802), (142, 146401), (281, 73982), (521, 39902), (562, 36991), (1042, 19951)]