20457032

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 19701688

約数列:

[1, 2, 4, 8, 41, 47, 82, 94, 164, 188, 328, 376, 1327, 1927, 2654, 3854, 5308, 7708, 10616, 15416, 54407, 62369, 108814, 124738, 217628, 249476, 435256, 498952, 2557129, 5114258, 10228516, 20457032]

約数ペア:

[(1, 20457032), (2, 10228516), (4, 5114258), (8, 2557129), (41, 498952), (47, 435256), (82, 249476), (94, 217628), (164, 124738), (188, 108814), (328, 62369), (376, 54407), (1327, 15416), (1927, 10616), (2654, 7708), (3854, 5308)]