20715390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{683}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 54098928

約数和(自身を除く): 33383538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 337, 674, 683, 1011, 1366, 1685, 2022, 2049, 3033, 3370, 3415, 4098, 5055, 6066, 6147, 6830, 10110, 10245, 12294, 15165, 20490, 30330, 30735, 61470, 230171, 460342, 690513, 1150855, 1381026, 2071539, 2301710, 3452565, 4143078, 6905130, 10357695, 20715390]

約数ペア:

[(1, 20715390), (2, 10357695), (3, 6905130), (5, 4143078), (6, 3452565), (9, 2301710), (10, 2071539), (15, 1381026), (18, 1150855), (30, 690513), (45, 460342), (90, 230171), (337, 61470), (674, 30735), (683, 30330), (1011, 20490), (1366, 15165), (1685, 12294), (2022, 10245), (2049, 10110), (3033, 6830), (3370, 6147), (3415, 6066), (4098, 5055)]