20432516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{641}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 38630424

約数和(自身を除く): 18197908

約数列:

[1, 2, 4, 13, 26, 52, 613, 641, 1226, 1282, 2452, 2564, 7969, 8333, 15938, 16666, 31876, 33332, 392933, 785866, 1571732, 5108129, 10216258, 20432516]

約数ペア:

[(1, 20432516), (2, 10216258), (4, 5108129), (13, 1571732), (26, 785866), (52, 392933), (613, 33332), (641, 31876), (1226, 16666), (1282, 15938), (2452, 8333), (2564, 7969)]