20556848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4297}}^1$

素因数の和:4341

約数の個数: 40

約数和(自身を含む): 44767968

約数和(自身を除く): 24211120

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4297, 4784, 8594, 17188, 34376, 55861, 68752, 98831, 111722, 197662, 223444, 395324, 446888, 790648, 893776, 1284803, 1581296, 2569606, 5139212, 10278424, 20556848]

約数ペア:

[(1, 20556848), (2, 10278424), (4, 5139212), (8, 2569606), (13, 1581296), (16, 1284803), (23, 893776), (26, 790648), (46, 446888), (52, 395324), (92, 223444), (104, 197662), (184, 111722), (208, 98831), (299, 68752), (368, 55861), (598, 34376), (1196, 17188), (2392, 8594), (4297, 4784)]