20624505

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 36218880

約数和(自身を除く): 15594375

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 239, 523, 717, 1195, 1569, 2615, 2629, 3585, 5753, 7845, 7887, 13145, 17259, 28765, 39435, 86295, 124997, 374991, 624985, 1374967, 1874955, 4124901, 6874835, 20624505]

約数ペア:

[(1, 20624505), (3, 6874835), (5, 4124901), (11, 1874955), (15, 1374967), (33, 624985), (55, 374991), (165, 124997), (239, 86295), (523, 39435), (717, 28765), (1195, 17259), (1569, 13145), (2615, 7887), (2629, 7845), (3585, 5753)]