20020604418

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1129}}^1\times {\mathrm{2729}}^1$

素因数の和:3904

約数の個数: 72

約数和(自身を含む): 45838529100

約数和(自身を除く): 25817924682

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 1129, 2166, 2258, 2729, 3249, 3387, 5458, 6498, 6774, 8187, 10161, 16374, 20322, 21451, 24561, 42902, 49122, 51851, 64353, 103702, 128706, 155553, 193059, 311106, 386118, 407569, 466659, 815138, 933318, 985169, 1222707, 1970338, 2445414, 2955507, 3081041, 3668121, 5911014, 6162082, 7336242, 8866521, 9243123, 17733042, 18486246, 27729369, 55458738, 58539779, 117079558, 175619337, 351238674, 526858011, 1053716022, 1112255801, 2224511602, 3336767403, 6673534806, 10010302209, 20020604418]

約数ペア:

[(1, 20020604418), (2, 10010302209), (3, 6673534806), (6, 3336767403), (9, 2224511602), (18, 1112255801), (19, 1053716022), (38, 526858011), (57, 351238674), (114, 175619337), (171, 117079558), (342, 58539779), (361, 55458738), (722, 27729369), (1083, 18486246), (1129, 17733042), (2166, 9243123), (2258, 8866521), (2729, 7336242), (3249, 6162082), (3387, 5911014), (5458, 3668121), (6498, 3081041), (6774, 2955507), (8187, 2445414), (10161, 1970338), (16374, 1222707), (20322, 985169), (21451, 933318), (24561, 815138), (42902, 466659), (49122, 407569), (51851, 386118), (64353, 311106), (103702, 193059), (128706, 155553)]