20775840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43283}}^1$

素因数の和:43301

約数の個数: 48

約数和(自身を含む): 65445408

約数和(自身を除く): 44669568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 43283, 86566, 129849, 173132, 216415, 259698, 346264, 432830, 519396, 649245, 692528, 865660, 1038792, 1298490, 1385056, 1731320, 2077584, 2596980, 3462640, 4155168, 5193960, 6925280, 10387920, 20775840]

約数ペア:

[(1, 20775840), (2, 10387920), (3, 6925280), (4, 5193960), (5, 4155168), (6, 3462640), (8, 2596980), (10, 2077584), (12, 1731320), (15, 1385056), (16, 1298490), (20, 1038792), (24, 865660), (30, 692528), (32, 649245), (40, 519396), (48, 432830), (60, 346264), (80, 259698), (96, 216415), (120, 173132), (160, 129849), (240, 86566), (480, 43283)]