20806178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{983}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 32944320

約数和(自身を除く): 12138142

約数列:

[1, 2, 19, 38, 557, 983, 1114, 1966, 10583, 18677, 21166, 37354, 547531, 1095062, 10403089, 20806178]

約数ペア:

[(1, 20806178), (2, 10403089), (19, 1095062), (38, 547531), (557, 37354), (983, 21166), (1114, 18677), (1966, 10583)]