20204976168

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{21019}}^1$

素因数の和:21136

約数の個数: 144

約数和(自身を含む): 60007896000

約数和(自身を除く): 39802919832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 79, 104, 117, 156, 158, 169, 234, 237, 312, 316, 338, 468, 474, 507, 632, 676, 711, 936, 948, 1014, 1027, 1352, 1422, 1521, 1896, 2028, 2054, 2844, 3042, 3081, 4056, 4108, 5688, 6084, 6162, 8216, 9243, 12168, 12324, 13351, 18486, 21019, 24648, 26702, 36972, 40053, 42038, 53404, 63057, 73944, 80106, 84076, 106808, 120159, 126114, 160212, 168152, 189171, 240318, 252228, 273247, 320424, 378342, 480636, 504456, 546494, 756684, 819741, 961272, 1092988, 1513368, 1639482, 1660501, 2185976, 2459223, 3278964, 3321002, 3552211, 4918446, 4981503, 6557928, 6642004, 7104422, 9836892, 9963006, 10656633, 13284008, 14208844, 14944509, 19673784, 19926012, 21313266, 21586513, 28417688, 29889018, 31969899, 39852024, 42626532, 43173026, 59778036, 63939798, 64759539, 85253064, 86346052, 119556072, 127879596, 129519078, 172692104, 194278617, 255759192, 259038156, 280624669, 388557234, 518076312, 561249338, 777114468, 841874007, 1122498676, 1554228936, 1683748014, 2244997352, 2525622021, 3367496028, 5051244042, 6734992056, 10102488084, 20204976168]

約数ペア:

[(1, 20204976168), (2, 10102488084), (3, 6734992056), (4, 5051244042), (6, 3367496028), (8, 2525622021), (9, 2244997352), (12, 1683748014), (13, 1554228936), (18, 1122498676), (24, 841874007), (26, 777114468), (36, 561249338), (39, 518076312), (52, 388557234), (72, 280624669), (78, 259038156), (79, 255759192), (104, 194278617), (117, 172692104), (156, 129519078), (158, 127879596), (169, 119556072), (234, 86346052), (237, 85253064), (312, 64759539), (316, 63939798), (338, 59778036), (468, 43173026), (474, 42626532), (507, 39852024), (632, 31969899), (676, 29889018), (711, 28417688), (936, 21586513), (948, 21313266), (1014, 19926012), (1027, 19673784), (1352, 14944509), (1422, 14208844), (1521, 13284008), (1896, 10656633), (2028, 9963006), (2054, 9836892), (2844, 7104422), (3042, 6642004), (3081, 6557928), (4056, 4981503), (4108, 4918446), (5688, 3552211), (6084, 3321002), (6162, 3278964), (8216, 2459223), (9243, 2185976), (12168, 1660501), (12324, 1639482), (13351, 1513368), (18486, 1092988), (21019, 961272), (24648, 819741), (26702, 756684), (36972, 546494), (40053, 504456), (42038, 480636), (53404, 378342), (63057, 320424), (73944, 273247), (80106, 252228), (84076, 240318), (106808, 189171), (120159, 168152), (126114, 160212)]