20626593

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 11379423

約数列:

[1, 3, 13, 17, 39, 51, 53, 159, 221, 587, 663, 689, 901, 1761, 2067, 2703, 7631, 9979, 11713, 22893, 29937, 31111, 35139, 93333, 129727, 389181, 404443, 528887, 1213329, 1586661, 6875531, 20626593]

約数ペア:

[(1, 20626593), (3, 6875531), (13, 1586661), (17, 1213329), (39, 528887), (51, 404443), (53, 389181), (159, 129727), (221, 93333), (587, 35139), (663, 31111), (689, 29937), (901, 22893), (1761, 11713), (2067, 9979), (2703, 7631)]