20682285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 37959936

約数和(自身を除く): 17277651

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 289, 367, 663, 867, 1101, 1105, 1445, 1835, 3315, 3757, 4335, 4771, 5505, 6239, 11271, 14313, 18717, 18785, 23855, 31195, 56355, 71565, 81107, 93585, 106063, 243321, 318189, 405535, 530315, 1216605, 1378819, 1590945, 4136457, 6894095, 20682285]

約数ペア:

[(1, 20682285), (3, 6894095), (5, 4136457), (13, 1590945), (15, 1378819), (17, 1216605), (39, 530315), (51, 405535), (65, 318189), (85, 243321), (195, 106063), (221, 93585), (255, 81107), (289, 71565), (367, 56355), (663, 31195), (867, 23855), (1101, 18785), (1105, 18717), (1445, 14313), (1835, 11271), (3315, 6239), (3757, 5505), (4335, 4771)]