20570498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1973}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 33329016

約数和(自身を除く): 12758518

約数列:

[1, 2, 13, 26, 401, 802, 1973, 3946, 5213, 10426, 25649, 51298, 791173, 1582346, 10285249, 20570498]

約数ペア:

[(1, 20570498), (2, 10285249), (13, 1582346), (26, 791173), (401, 51298), (802, 25649), (1973, 10426), (3946, 5213)]