20796030128

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{571}}^1\times {\mathrm{15277}}^1$

素因数の和:16005

約数の個数: 40

約数和(自身を含む): 40636424400

約数和(自身を除く): 19840394272

約数列:

[1, 2, 4, 8, 16, 149, 298, 571, 596, 1142, 1192, 2284, 2384, 4568, 9136, 15277, 30554, 61108, 85079, 122216, 170158, 244432, 340316, 680632, 1361264, 2276273, 4552546, 8723167, 9105092, 17446334, 18210184, 34892668, 36420368, 69785336, 139570672, 1299751883, 2599503766, 5199007532, 10398015064, 20796030128]

約数ペア:

[(1, 20796030128), (2, 10398015064), (4, 5199007532), (8, 2599503766), (16, 1299751883), (149, 139570672), (298, 69785336), (571, 36420368), (596, 34892668), (1142, 18210184), (1192, 17446334), (2284, 9105092), (2384, 8723167), (4568, 4552546), (9136, 2276273), (15277, 1361264), (30554, 680632), (61108, 340316), (85079, 244432), (122216, 170158)]