20508552

素因数分解:

$2^3\times 3^4\times {\mathrm{31649}}^1$

素因数の和:31667

約数の個数: 40

約数和(自身を含む): 57444750

約数和(自身を除く): 36936198

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31649, 63298, 94947, 126596, 189894, 253192, 284841, 379788, 569682, 759576, 854523, 1139364, 1709046, 2278728, 2563569, 3418092, 5127138, 6836184, 10254276, 20508552]

約数ペア:

[(1, 20508552), (2, 10254276), (3, 6836184), (4, 5127138), (6, 3418092), (8, 2563569), (9, 2278728), (12, 1709046), (18, 1139364), (24, 854523), (27, 759576), (36, 569682), (54, 379788), (72, 284841), (81, 253192), (108, 189894), (162, 126596), (216, 94947), (324, 63298), (648, 31649)]