20765983

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 3619553

約数列:

[1, 7, 53, 223, 251, 371, 1561, 1757, 11819, 13303, 55973, 82733, 93121, 391811, 2966569, 20765983]

約数ペア:

[(1, 20765983), (7, 2966569), (53, 391811), (223, 93121), (251, 82733), (371, 55973), (1561, 13303), (1757, 11819)]