20012345001

素因数分解:

$3^3\times {\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{6257}}^1$

素因数の和:6388

約数の個数: 64

約数和(自身を含む): 32982163200

約数和(自身を除く): 12969818199

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 121, 267, 297, 363, 801, 979, 1089, 1331, 2403, 2937, 3267, 3993, 6257, 8811, 10769, 11979, 18771, 26433, 32307, 35937, 56313, 68827, 96921, 118459, 168939, 206481, 290763, 355377, 556873, 619443, 757097, 1066131, 1670619, 1858329, 2271291, 3198393, 5011857, 6125603, 6813873, 8328067, 15035571, 18376809, 20441619, 24984201, 55130427, 67381633, 74952603, 165391281, 202144899, 224857809, 606434697, 741197963, 1819304091, 2223593889, 6670781667, 20012345001]

約数ペア:

[(1, 20012345001), (3, 6670781667), (9, 2223593889), (11, 1819304091), (27, 741197963), (33, 606434697), (89, 224857809), (99, 202144899), (121, 165391281), (267, 74952603), (297, 67381633), (363, 55130427), (801, 24984201), (979, 20441619), (1089, 18376809), (1331, 15035571), (2403, 8328067), (2937, 6813873), (3267, 6125603), (3993, 5011857), (6257, 3198393), (8811, 2271291), (10769, 1858329), (11979, 1670619), (18771, 1066131), (26433, 757097), (32307, 619443), (35937, 556873), (56313, 355377), (68827, 290763), (96921, 206481), (118459, 168939)]