20924488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4679}}^1$

素因数の和:4741

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 22318712

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4679, 9358, 18716, 37432, 60827, 121654, 201197, 243308, 402394, 486616, 804788, 1609576, 2615561, 5231122, 10462244, 20924488]

約数ペア:

[(1, 20924488), (2, 10462244), (4, 5231122), (8, 2615561), (13, 1609576), (26, 804788), (43, 486616), (52, 402394), (86, 243308), (104, 201197), (172, 121654), (344, 60827), (559, 37432), (1118, 18716), (2236, 9358), (4472, 4679)]