20669324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4789}}^1$

素因数の和:4889

約数の個数: 24

約数和(自身を含む): 39431280

約数和(自身を除く): 18761956

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4789, 9578, 19156, 62257, 124514, 249028, 397487, 794974, 1589948, 5167331, 10334662, 20669324]

約数ペア:

[(1, 20669324), (2, 10334662), (4, 5167331), (13, 1589948), (26, 794974), (52, 397487), (83, 249028), (166, 124514), (332, 62257), (1079, 19156), (2158, 9578), (4316, 4789)]