20951410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 39018672

約数和(自身を除く): 18067262

約数列:

[1, 2, 5, 10, 41, 82, 137, 205, 274, 373, 410, 685, 746, 1370, 1865, 3730, 5617, 11234, 15293, 28085, 30586, 51101, 56170, 76465, 102202, 152930, 255505, 511010, 2095141, 4190282, 10475705, 20951410]

約数ペア:

[(1, 20951410), (2, 10475705), (5, 4190282), (10, 2095141), (41, 511010), (82, 255505), (137, 152930), (205, 102202), (274, 76465), (373, 56170), (410, 51101), (685, 30586), (746, 28085), (1370, 15293), (1865, 11234), (3730, 5617)]