20377920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{21227}}^1$

素因数の和:21247

約数の個数: 56

約数和(自身を含む): 64702944

約数和(自身を除く): 44325024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21227, 42454, 63681, 84908, 106135, 127362, 169816, 212270, 254724, 318405, 339632, 424540, 509448, 636810, 679264, 849080, 1018896, 1273620, 1358528, 1698160, 2037792, 2547240, 3396320, 4075584, 5094480, 6792640, 10188960, 20377920]

約数ペア:

[(1, 20377920), (2, 10188960), (3, 6792640), (4, 5094480), (5, 4075584), (6, 3396320), (8, 2547240), (10, 2037792), (12, 1698160), (15, 1358528), (16, 1273620), (20, 1018896), (24, 849080), (30, 679264), (32, 636810), (40, 509448), (48, 424540), (60, 339632), (64, 318405), (80, 254724), (96, 212270), (120, 169816), (160, 127362), (192, 106135), (240, 84908), (320, 63681), (480, 42454), (960, 21227)]