20968038

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39995802

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 251, 273, 306, 351, 357, 378, 442, 459, 502, 546, 663, 702, 714, 753, 819, 918, 1071, 1326, 1506, 1547, 1638, 1757, 1989, 2142, 2259, 2457, 3094, 3213, 3263, 3514, 3978, 4267, 4518, 4641, 4914, 5271, 5967, 6426, 6526, 6777, 8534, 9282, 9789, 10542, 11934, 12801, 13554, 13923, 15813, 19578, 22841, 25602, 27846, 29367, 29869, 31626, 38403, 41769, 45682, 47439, 55471, 58734, 59738, 68523, 76806, 83538, 88101, 89607, 94878, 110942, 115209, 137046, 166413, 176202, 179214, 205569, 230418, 268821, 332826, 388297, 411138, 499239, 537642, 616707, 776594, 806463, 998478, 1164891, 1233414, 1497717, 1612926, 2329782, 2995434, 3494673, 6989346, 10484019, 20968038]

約数ペア:

[(1, 20968038), (2, 10484019), (3, 6989346), (6, 3494673), (7, 2995434), (9, 2329782), (13, 1612926), (14, 1497717), (17, 1233414), (18, 1164891), (21, 998478), (26, 806463), (27, 776594), (34, 616707), (39, 537642), (42, 499239), (51, 411138), (54, 388297), (63, 332826), (78, 268821), (91, 230418), (102, 205569), (117, 179214), (119, 176202), (126, 166413), (153, 137046), (182, 115209), (189, 110942), (221, 94878), (234, 89607), (238, 88101), (251, 83538), (273, 76806), (306, 68523), (351, 59738), (357, 58734), (378, 55471), (442, 47439), (459, 45682), (502, 41769), (546, 38403), (663, 31626), (702, 29869), (714, 29367), (753, 27846), (819, 25602), (918, 22841), (1071, 19578), (1326, 15813), (1506, 13923), (1547, 13554), (1638, 12801), (1757, 11934), (1989, 10542), (2142, 9789), (2259, 9282), (2457, 8534), (3094, 6777), (3213, 6526), (3263, 6426), (3514, 5967), (3978, 5271), (4267, 4914), (4518, 4641)]