20127616

素因数分解:

$2^7\times {\mathrm{157247}}^1$

素因数の和:157261

約数の個数: 16

約数和(自身を含む): 40098240

約数和(自身を除く): 19970624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157247, 314494, 628988, 1257976, 2515952, 5031904, 10063808, 20127616]

約数ペア:

[(1, 20127616), (2, 10063808), (4, 5031904), (8, 2515952), (16, 1257976), (32, 628988), (64, 314494), (128, 157247)]