20818096

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7699}}^1$

素因数の和:7733

約数の個数: 30

約数和(自身を含む): 43682100

約数和(自身を除く): 22864004

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7699, 15398, 30796, 61592, 100087, 123184, 200174, 400348, 800696, 1301131, 1601392, 2602262, 5204524, 10409048, 20818096]

約数ペア:

[(1, 20818096), (2, 10409048), (4, 5204524), (8, 2602262), (13, 1601392), (16, 1301131), (26, 800696), (52, 400348), (104, 200174), (169, 123184), (208, 100087), (338, 61592), (676, 30796), (1352, 15398), (2704, 7699)]