20205406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1361}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 32720688

約数和(自身を除く): 12515282

約数列:

[1, 2, 13, 26, 571, 1142, 1361, 2722, 7423, 14846, 17693, 35386, 777131, 1554262, 10102703, 20205406]

約数ペア:

[(1, 20205406), (2, 10102703), (13, 1554262), (26, 777131), (571, 35386), (1142, 17693), (1361, 14846), (2722, 7423)]