20546344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^3\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 27434456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 167, 169, 182, 334, 338, 364, 668, 676, 728, 1169, 1183, 1336, 1352, 2171, 2197, 2338, 2366, 4342, 4394, 4676, 4732, 8684, 8788, 9352, 9464, 15197, 15379, 17368, 17576, 28223, 30394, 30758, 56446, 60788, 61516, 112892, 121576, 123032, 197561, 225784, 366899, 395122, 733798, 790244, 1467596, 1580488, 2568293, 2935192, 5136586, 10273172, 20546344]

約数ペア:

[(1, 20546344), (2, 10273172), (4, 5136586), (7, 2935192), (8, 2568293), (13, 1580488), (14, 1467596), (26, 790244), (28, 733798), (52, 395122), (56, 366899), (91, 225784), (104, 197561), (167, 123032), (169, 121576), (182, 112892), (334, 61516), (338, 60788), (364, 56446), (668, 30758), (676, 30394), (728, 28223), (1169, 17576), (1183, 17368), (1336, 15379), (1352, 15197), (2171, 9464), (2197, 9352), (2338, 8788), (2366, 8684), (4342, 4732), (4394, 4676)]