20659750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3593}}^1$

素因数の和:3633

約数の個数: 32

約数和(自身を含む): 40367808

約数和(自身を除く): 19708058

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3593, 5750, 7186, 17965, 35930, 82639, 89825, 165278, 179650, 413195, 449125, 826390, 898250, 2065975, 4131950, 10329875, 20659750]

約数ペア:

[(1, 20659750), (2, 10329875), (5, 4131950), (10, 2065975), (23, 898250), (25, 826390), (46, 449125), (50, 413195), (115, 179650), (125, 165278), (230, 89825), (250, 82639), (575, 35930), (1150, 17965), (2875, 7186), (3593, 5750)]