20886901

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{953}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 24910848

約数和(自身を除く): 4023947

約数列:

[1, 7, 31, 101, 217, 707, 953, 3131, 6671, 21917, 29543, 96253, 206801, 673771, 2983843, 20886901]

約数ペア:

[(1, 20886901), (7, 2983843), (31, 673771), (101, 206801), (217, 96253), (707, 29543), (953, 21917), (3131, 6671)]