20145424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4211}}^1$

素因数の和:4255

約数の個数: 40

約数和(自身を含む): 43872192

約数和(自身を除く): 23726768

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4211, 4784, 8422, 16844, 33688, 54743, 67376, 96853, 109486, 193706, 218972, 387412, 437944, 774824, 875888, 1259089, 1549648, 2518178, 5036356, 10072712, 20145424]

約数ペア:

[(1, 20145424), (2, 10072712), (4, 5036356), (8, 2518178), (13, 1549648), (16, 1259089), (23, 875888), (26, 774824), (46, 437944), (52, 387412), (92, 218972), (104, 193706), (184, 109486), (208, 96853), (299, 67376), (368, 54743), (598, 33688), (1196, 16844), (2392, 8422), (4211, 4784)]