20001774

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{739}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 43263360

約数和(自身を除く): 23261586

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 347, 694, 739, 1041, 1478, 2082, 2217, 4434, 4511, 9022, 9607, 13533, 19214, 27066, 28821, 57642, 256433, 512866, 769299, 1538598, 3333629, 6667258, 10000887, 20001774]

約数ペア:

[(1, 20001774), (2, 10000887), (3, 6667258), (6, 3333629), (13, 1538598), (26, 769299), (39, 512866), (78, 256433), (347, 57642), (694, 28821), (739, 27066), (1041, 19214), (1478, 13533), (2082, 9607), (2217, 9022), (4434, 4511)]