20855432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1579}}^1$

素因数の和:1725

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 21614968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1579, 1651, 3158, 3302, 6316, 6604, 12632, 13208, 20527, 41054, 82108, 164216, 200533, 401066, 802132, 1604264, 2606929, 5213858, 10427716, 20855432]

約数ペア:

[(1, 20855432), (2, 10427716), (4, 5213858), (8, 2606929), (13, 1604264), (26, 802132), (52, 401066), (104, 200533), (127, 164216), (254, 82108), (508, 41054), (1016, 20527), (1579, 13208), (1651, 12632), (3158, 6604), (3302, 6316)]