20804509154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{57143}}^1$

素因数の和:57255

約数の個数: 64

約数和(自身を含む): 39168783360

約数和(自身を除く): 18364274206

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 67, 134, 143, 209, 247, 286, 418, 494, 737, 871, 1273, 1474, 1742, 2546, 2717, 5434, 9581, 14003, 16549, 19162, 28006, 33098, 57143, 114286, 182039, 364078, 628573, 742859, 1085717, 1257146, 1485718, 2171434, 3828581, 7657162, 8171449, 11942887, 14114321, 16342898, 23885774, 28228642, 42114391, 49771553, 72743039, 84228782, 99543106, 145486078, 155257531, 310515062, 547487083, 800173429, 945659507, 1094974166, 1600346858, 1891319014, 10402254577, 20804509154]

約数ペア:

[(1, 20804509154), (2, 10402254577), (11, 1891319014), (13, 1600346858), (19, 1094974166), (22, 945659507), (26, 800173429), (38, 547487083), (67, 310515062), (134, 155257531), (143, 145486078), (209, 99543106), (247, 84228782), (286, 72743039), (418, 49771553), (494, 42114391), (737, 28228642), (871, 23885774), (1273, 16342898), (1474, 14114321), (1742, 11942887), (2546, 8171449), (2717, 7657162), (5434, 3828581), (9581, 2171434), (14003, 1485718), (16549, 1257146), (19162, 1085717), (28006, 742859), (33098, 628573), (57143, 364078), (114286, 182039)]