20332228

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 22003772

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 89, 164, 178, 199, 287, 356, 398, 574, 623, 796, 1148, 1246, 1393, 2492, 2786, 3649, 5572, 7298, 8159, 14596, 16318, 17711, 25543, 32636, 35422, 51086, 57113, 70844, 102172, 114226, 123977, 228452, 247954, 495908, 726151, 1452302, 2904604, 5083057, 10166114, 20332228]

約数ペア:

[(1, 20332228), (2, 10166114), (4, 5083057), (7, 2904604), (14, 1452302), (28, 726151), (41, 495908), (82, 247954), (89, 228452), (164, 123977), (178, 114226), (199, 102172), (287, 70844), (356, 57113), (398, 51086), (574, 35422), (623, 32636), (796, 25543), (1148, 17711), (1246, 16318), (1393, 14596), (2492, 8159), (2786, 7298), (3649, 5572)]