20689102

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{86929}}^1$

素因数の和:86955

約数の個数: 16

約数和(自身を含む): 37553760

約数和(自身を除く): 16864658

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 86929, 173858, 608503, 1217006, 1477793, 2955586, 10344551, 20689102]

約数ペア:

[(1, 20689102), (2, 10344551), (7, 2955586), (14, 1477793), (17, 1217006), (34, 608503), (119, 173858), (238, 86929)]