20298512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4243}}^1$

素因数の和:4287

約数の個数: 40

約数和(自身を含む): 44205504

約数和(自身を除く): 23906992

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4243, 4784, 8486, 16972, 33944, 55159, 67888, 97589, 110318, 195178, 220636, 390356, 441272, 780712, 882544, 1268657, 1561424, 2537314, 5074628, 10149256, 20298512]

約数ペア:

[(1, 20298512), (2, 10149256), (4, 5074628), (8, 2537314), (13, 1561424), (16, 1268657), (23, 882544), (26, 780712), (46, 441272), (52, 390356), (92, 220636), (104, 195178), (184, 110318), (208, 97589), (299, 67888), (368, 55159), (598, 33944), (1196, 16972), (2392, 8486), (4243, 4784)]