20178697777

素因数分解:

$7^1\times {\mathrm{283}}^1\times {\mathrm{439}}^1\times {\mathrm{23203}}^1$

素因数の和:23932

約数の個数: 16

約数和(自身を含む): 23196574720

約数和(自身を除く): 3017876943

約数列:

[1, 7, 283, 439, 1981, 3073, 23203, 124237, 162421, 869659, 6566449, 10186117, 45965143, 71302819, 2882671111, 20178697777]

約数ペア:

[(1, 20178697777), (7, 2882671111), (283, 71302819), (439, 45965143), (1981, 10186117), (3073, 6566449), (23203, 869659), (124237, 162421)]