20865785278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6563}}^1\times {\mathrm{7193}}^1$

素因数の和:13788

約数の個数: 32

約数和(自身を含む): 35699390496

約数和(自身を除く): 14833605218

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 6563, 7193, 13126, 14386, 85319, 93509, 111571, 122281, 170638, 187018, 223142, 244562, 1450423, 1589653, 2900846, 3179306, 47207659, 94415318, 613699567, 802530203, 1227399134, 1605060406, 10432892639, 20865785278]

約数ペア:

[(1, 20865785278), (2, 10432892639), (13, 1605060406), (17, 1227399134), (26, 802530203), (34, 613699567), (221, 94415318), (442, 47207659), (6563, 3179306), (7193, 2900846), (13126, 1589653), (14386, 1450423), (85319, 244562), (93509, 223142), (111571, 187018), (122281, 170638)]