20658502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6827}}^1$

素因数の和:6935

約数の個数: 16

約数和(自身を含む): 33184080

約数和(自身を除く): 12525578

約数列:

[1, 2, 17, 34, 89, 178, 1513, 3026, 6827, 13654, 116059, 232118, 607603, 1215206, 10329251, 20658502]

約数ペア:

[(1, 20658502), (2, 10329251), (17, 1215206), (34, 607603), (89, 232118), (178, 116059), (1513, 13654), (3026, 6827)]