20214972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 56991480

約数和(自身を除く): 36776508

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 67, 68, 87, 102, 116, 134, 153, 174, 201, 204, 261, 268, 289, 306, 348, 402, 493, 522, 578, 603, 612, 804, 867, 986, 1044, 1139, 1156, 1206, 1479, 1734, 1943, 1972, 2278, 2412, 2601, 2958, 3417, 3468, 3886, 4437, 4556, 5202, 5829, 5916, 6834, 7772, 8381, 8874, 10251, 10404, 11658, 13668, 16762, 17487, 17748, 19363, 20502, 23316, 25143, 33031, 33524, 34974, 38726, 41004, 50286, 58089, 66062, 69948, 75429, 77452, 99093, 100572, 116178, 132124, 150858, 174267, 198186, 232356, 297279, 301716, 348534, 396372, 561527, 594558, 697068, 1123054, 1189116, 1684581, 2246108, 3369162, 5053743, 6738324, 10107486, 20214972]

約数ペア:

[(1, 20214972), (2, 10107486), (3, 6738324), (4, 5053743), (6, 3369162), (9, 2246108), (12, 1684581), (17, 1189116), (18, 1123054), (29, 697068), (34, 594558), (36, 561527), (51, 396372), (58, 348534), (67, 301716), (68, 297279), (87, 232356), (102, 198186), (116, 174267), (134, 150858), (153, 132124), (174, 116178), (201, 100572), (204, 99093), (261, 77452), (268, 75429), (289, 69948), (306, 66062), (348, 58089), (402, 50286), (493, 41004), (522, 38726), (578, 34974), (603, 33524), (612, 33031), (804, 25143), (867, 23316), (986, 20502), (1044, 19363), (1139, 17748), (1156, 17487), (1206, 16762), (1479, 13668), (1734, 11658), (1943, 10404), (1972, 10251), (2278, 8874), (2412, 8381), (2601, 7772), (2958, 6834), (3417, 5916), (3468, 5829), (3886, 5202), (4437, 4556)]