20118510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 54043200

約数和(自身を除く): 33924690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 269, 270, 277, 538, 554, 807, 831, 1345, 1385, 1614, 1662, 2421, 2493, 2690, 2770, 4035, 4155, 4842, 4986, 7263, 7479, 8070, 8310, 12105, 12465, 14526, 14958, 24210, 24930, 36315, 37395, 72630, 74513, 74790, 149026, 223539, 372565, 447078, 670617, 745130, 1117695, 1341234, 2011851, 2235390, 3353085, 4023702, 6706170, 10059255, 20118510]

約数ペア:

[(1, 20118510), (2, 10059255), (3, 6706170), (5, 4023702), (6, 3353085), (9, 2235390), (10, 2011851), (15, 1341234), (18, 1117695), (27, 745130), (30, 670617), (45, 447078), (54, 372565), (90, 223539), (135, 149026), (269, 74790), (270, 74513), (277, 72630), (538, 37395), (554, 36315), (807, 24930), (831, 24210), (1345, 14958), (1385, 14526), (1614, 12465), (1662, 12105), (2421, 8310), (2493, 8070), (2690, 7479), (2770, 7263), (4035, 4986), (4155, 4842)]