20102030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1652

約数の個数: 32

約数和(自身を含む): 39378528

約数和(自身を除く): 19276498

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 1531, 2626, 3062, 6565, 7655, 13130, 15310, 19903, 39806, 99515, 154631, 199030, 309262, 773155, 1546310, 2010203, 4020406, 10051015, 20102030]

約数ペア:

[(1, 20102030), (2, 10051015), (5, 4020406), (10, 2010203), (13, 1546310), (26, 773155), (65, 309262), (101, 199030), (130, 154631), (202, 99515), (505, 39806), (1010, 19903), (1313, 15310), (1531, 13130), (2626, 7655), (3062, 6565)]