20148347817

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{2371}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 32593898688

約数和(自身を除く): 12445550871

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 151, 169, 333, 453, 481, 507, 1359, 1443, 1521, 1963, 2371, 4329, 5587, 5889, 6253, 7113, 16761, 17667, 18759, 21339, 25519, 30823, 50283, 56277, 72631, 76557, 87727, 92469, 217893, 229671, 263181, 277407, 358021, 400699, 653679, 789543, 944203, 1074063, 1140451, 1202097, 2832609, 3222189, 3421353, 3606291, 4654273, 8497827, 10264059, 13246777, 13962819, 14825863, 39740331, 41888457, 44477589, 60505549, 119220993, 133432767, 172208101, 181516647, 516624303, 544549941, 1549872909, 2238705313, 6716115939, 20148347817]

約数ペア:

[(1, 20148347817), (3, 6716115939), (9, 2238705313), (13, 1549872909), (37, 544549941), (39, 516624303), (111, 181516647), (117, 172208101), (151, 133432767), (169, 119220993), (333, 60505549), (453, 44477589), (481, 41888457), (507, 39740331), (1359, 14825863), (1443, 13962819), (1521, 13246777), (1963, 10264059), (2371, 8497827), (4329, 4654273), (5587, 3606291), (5889, 3421353), (6253, 3222189), (7113, 2832609), (16761, 1202097), (17667, 1140451), (18759, 1074063), (21339, 944203), (25519, 789543), (30823, 653679), (50283, 400699), (56277, 358021), (72631, 277407), (76557, 263181), (87727, 229671), (92469, 217893)]