20253051

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8243}}^1$

素因数の和:8272

約数の個数: 32

約数和(自身を含む): 36933120

約数和(自身を除く): 16680069

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8243, 24729, 57701, 74187, 107159, 173103, 222561, 321477, 519309, 750113, 964431, 1557927, 2250339, 2893293, 6751017, 20253051]

約数ペア:

[(1, 20253051), (3, 6751017), (7, 2893293), (9, 2250339), (13, 1557927), (21, 964431), (27, 750113), (39, 519309), (63, 321477), (91, 222561), (117, 173103), (189, 107159), (273, 74187), (351, 57701), (819, 24729), (2457, 8243)]