20693546

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4157}}^1$

素因数の和:4309

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 12237814

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4157, 4978, 8314, 78983, 157966, 544567, 1089134, 10346773, 20693546]

約数ペア:

[(1, 20693546), (2, 10346773), (19, 1089134), (38, 544567), (131, 157966), (262, 78983), (2489, 8314), (4157, 4978)]