20163555447

素因数分解:

$3^1\times 7^1\times {\mathrm{25111}}^1\times {\mathrm{38237}}^1$

素因数の和:63358

約数の個数: 16

約数和(自身を含む): 30727444992

約数和(自身を除く): 10563889545

約数列:

[1, 3, 7, 21, 25111, 38237, 75333, 114711, 175777, 267659, 527331, 802977, 960169307, 2880507921, 6721185149, 20163555447]

約数ペア:

[(1, 20163555447), (3, 6721185149), (7, 2880507921), (21, 960169307), (25111, 802977), (38237, 527331), (75333, 267659), (114711, 175777)]