20590648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5351}}^1$

素因数の和:5407

約数の個数: 32

約数和(自身を含む): 42708960

約数和(自身を除く): 22118312

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 296, 481, 962, 1924, 3848, 5351, 10702, 21404, 42808, 69563, 139126, 197987, 278252, 395974, 556504, 791948, 1583896, 2573831, 5147662, 10295324, 20590648]

約数ペア:

[(1, 20590648), (2, 10295324), (4, 5147662), (8, 2573831), (13, 1583896), (26, 791948), (37, 556504), (52, 395974), (74, 278252), (104, 197987), (148, 139126), (296, 69563), (481, 42808), (962, 21404), (1924, 10702), (3848, 5351)]