20563704

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{40801}}^1$

素因数の和:40820

約数の個数: 48

約数和(自身を含む): 63651120

約数和(自身を除く): 43087416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 40801, 81602, 122403, 163204, 244806, 285607, 326408, 367209, 489612, 571214, 734418, 856821, 979224, 1142428, 1468836, 1713642, 2284856, 2570463, 2937672, 3427284, 5140926, 6854568, 10281852, 20563704]

約数ペア:

[(1, 20563704), (2, 10281852), (3, 6854568), (4, 5140926), (6, 3427284), (7, 2937672), (8, 2570463), (9, 2284856), (12, 1713642), (14, 1468836), (18, 1142428), (21, 979224), (24, 856821), (28, 734418), (36, 571214), (42, 489612), (56, 367209), (63, 326408), (72, 285607), (84, 244806), (126, 163204), (168, 122403), (252, 81602), (504, 40801)]