20191700788

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1\times {\mathrm{7901}}^1$

素因数の和:8872

約数の個数: 48

約数和(自身を含む): 40813766784

約数和(自身を除く): 20622065996

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 853, 1498, 1706, 2996, 3412, 5971, 7901, 11942, 15802, 23884, 31604, 55307, 91271, 110614, 182542, 221228, 365084, 638897, 845407, 1277794, 1690814, 2555588, 3381628, 5917849, 6739553, 11835698, 13479106, 23671396, 26958212, 47176871, 94353742, 188707484, 721132171, 1442264342, 2884528684, 5047925197, 10095850394, 20191700788]

約数ペア:

[(1, 20191700788), (2, 10095850394), (4, 5047925197), (7, 2884528684), (14, 1442264342), (28, 721132171), (107, 188707484), (214, 94353742), (428, 47176871), (749, 26958212), (853, 23671396), (1498, 13479106), (1706, 11835698), (2996, 6739553), (3412, 5917849), (5971, 3381628), (7901, 2555588), (11942, 1690814), (15802, 1277794), (23884, 845407), (31604, 638897), (55307, 365084), (91271, 221228), (110614, 182542)]