20058540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1697}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 56482272

約数和(自身を除く): 36423732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1697, 1970, 2364, 2955, 3394, 3940, 5091, 5910, 6788, 8485, 10182, 11820, 16970, 20364, 25455, 33940, 50910, 101820, 334309, 668618, 1002927, 1337236, 1671545, 2005854, 3343090, 4011708, 5014635, 6686180, 10029270, 20058540]

約数ペア:

[(1, 20058540), (2, 10029270), (3, 6686180), (4, 5014635), (5, 4011708), (6, 3343090), (10, 2005854), (12, 1671545), (15, 1337236), (20, 1002927), (30, 668618), (60, 334309), (197, 101820), (394, 50910), (591, 33940), (788, 25455), (985, 20364), (1182, 16970), (1697, 11820), (1970, 10182), (2364, 8485), (2955, 6788), (3394, 5910), (3940, 5091)]