20910344

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28723}}^1$

素因数の和:28749

約数の個数: 32

約数和(自身を含む): 48256320

約数和(自身を除く): 27345976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28723, 57446, 114892, 201061, 229784, 373399, 402122, 746798, 804244, 1493596, 1608488, 2613793, 2987192, 5227586, 10455172, 20910344]

約数ペア:

[(1, 20910344), (2, 10455172), (4, 5227586), (7, 2987192), (8, 2613793), (13, 1608488), (14, 1493596), (26, 804244), (28, 746798), (52, 402122), (56, 373399), (91, 229784), (104, 201061), (182, 114892), (364, 57446), (728, 28723)]