20118379814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{2917}}^1$

素因数の和:3205

約数の個数: 64

約数和(自身を含む): 34511769600

約数和(自身を除く): 14393389786

約数列:

[1, 2, 13, 26, 31, 43, 62, 86, 199, 398, 403, 559, 806, 1118, 1333, 2587, 2666, 2917, 5174, 5834, 6169, 8557, 12338, 17114, 17329, 34658, 37921, 75842, 80197, 90427, 111241, 125431, 160394, 180854, 222482, 250862, 265267, 530534, 580483, 1160966, 1175551, 1630603, 2351102, 3261206, 3448471, 3888361, 6896942, 7546279, 7776722, 15092558, 17994973, 24960769, 35989946, 49921538, 50548693, 101097386, 233934649, 324489997, 467869298, 648979994, 773783839, 1547567678, 10059189907, 20118379814]

約数ペア:

[(1, 20118379814), (2, 10059189907), (13, 1547567678), (26, 773783839), (31, 648979994), (43, 467869298), (62, 324489997), (86, 233934649), (199, 101097386), (398, 50548693), (403, 49921538), (559, 35989946), (806, 24960769), (1118, 17994973), (1333, 15092558), (2587, 7776722), (2666, 7546279), (2917, 6896942), (5174, 3888361), (5834, 3448471), (6169, 3261206), (8557, 2351102), (12338, 1630603), (17114, 1175551), (17329, 1160966), (34658, 580483), (37921, 530534), (75842, 265267), (80197, 250862), (90427, 222482), (111241, 180854), (125431, 160394)]