20483528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2321

約数の個数: 32

約数和(自身を含む): 41844600

約数和(自身を除く): 21361072

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2213, 2314, 4426, 4628, 8852, 9256, 17704, 28769, 57538, 115076, 196957, 230152, 393914, 787828, 1575656, 2560441, 5120882, 10241764, 20483528]

約数ペア:

[(1, 20483528), (2, 10241764), (4, 5120882), (8, 2560441), (13, 1575656), (26, 787828), (52, 393914), (89, 230152), (104, 196957), (178, 115076), (356, 57538), (712, 28769), (1157, 17704), (2213, 9256), (2314, 8852), (4426, 4628)]