20199306015

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{179}}^1\times {\mathrm{2437}}^1$

素因数の和:2651

約数の個数: 128

約数和(自身を含む): 42128640000

約数和(自身を除く): 21929333985

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 179, 189, 245, 315, 343, 441, 537, 735, 895, 945, 1029, 1253, 1323, 1611, 1715, 2205, 2437, 2685, 3087, 3759, 4833, 5145, 6265, 6615, 7311, 8055, 8771, 9261, 11277, 12185, 15435, 17059, 18795, 21933, 24165, 26313, 33831, 36555, 43855, 46305, 51177, 56385, 61397, 65799, 78939, 85295, 109665, 119413, 131565, 153531, 169155, 184191, 236817, 255885, 306985, 328995, 358239, 394695, 436223, 460593, 552573, 597065, 767655, 835891, 920955, 1074717, 1184085, 1308669, 1657719, 1791195, 2181115, 2302965, 2507673, 2762865, 3053561, 3224151, 3926007, 4179455, 5373585, 6543345, 7523019, 8288595, 9160683, 11778021, 12538365, 15267805, 16120755, 19630035, 21374927, 22569057, 27482049, 37615095, 45803415, 58890105, 64124781, 82446147, 106874635, 112845285, 137410245, 149624489, 192374343, 320623905, 412230735, 448873467, 577123029, 748122445, 961871715, 1346620401, 2244367335, 2885615145, 4039861203, 6733102005, 20199306015]

約数ペア:

[(1, 20199306015), (3, 6733102005), (5, 4039861203), (7, 2885615145), (9, 2244367335), (15, 1346620401), (21, 961871715), (27, 748122445), (35, 577123029), (45, 448873467), (49, 412230735), (63, 320623905), (105, 192374343), (135, 149624489), (147, 137410245), (179, 112845285), (189, 106874635), (245, 82446147), (315, 64124781), (343, 58890105), (441, 45803415), (537, 37615095), (735, 27482049), (895, 22569057), (945, 21374927), (1029, 19630035), (1253, 16120755), (1323, 15267805), (1611, 12538365), (1715, 11778021), (2205, 9160683), (2437, 8288595), (2685, 7523019), (3087, 6543345), (3759, 5373585), (4833, 4179455), (5145, 3926007), (6265, 3224151), (6615, 3053561), (7311, 2762865), (8055, 2507673), (8771, 2302965), (9261, 2181115), (11277, 1791195), (12185, 1657719), (15435, 1308669), (17059, 1184085), (18795, 1074717), (21933, 920955), (24165, 835891), (26313, 767655), (33831, 597065), (36555, 552573), (43855, 460593), (46305, 436223), (51177, 394695), (56385, 358239), (61397, 328995), (65799, 306985), (78939, 255885), (85295, 236817), (109665, 184191), (119413, 169155), (131565, 153531)]