20153990136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{15791}}^1$

素因数の和:15985

約数の個数: 128

約数和(自身を含む): 58943324160

約数和(自身を除く): 38789334024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 71, 84, 107, 142, 168, 213, 214, 284, 321, 426, 428, 497, 568, 642, 749, 852, 856, 994, 1284, 1491, 1498, 1704, 1988, 2247, 2568, 2982, 2996, 3976, 4494, 5964, 5992, 7597, 8988, 11928, 15194, 15791, 17976, 22791, 30388, 31582, 45582, 47373, 53179, 60776, 63164, 91164, 94746, 106358, 110537, 126328, 159537, 182328, 189492, 212716, 221074, 319074, 331611, 378984, 425432, 442148, 638148, 663222, 884296, 1121161, 1276296, 1326444, 1689637, 2242322, 2652888, 3363483, 3379274, 4484644, 5068911, 6726966, 6758548, 7848127, 8969288, 10137822, 11827459, 13453932, 13517096, 15696254, 20275644, 23544381, 23654918, 26907864, 31392508, 35482377, 40551288, 47088762, 47309836, 62785016, 70964754, 94177524, 94619672, 119964227, 141929508, 188355048, 239928454, 283859016, 359892681, 479856908, 719785362, 839749589, 959713816, 1439570724, 1679499178, 2519248767, 2879141448, 3358998356, 5038497534, 6717996712, 10076995068, 20153990136]

約数ペア:

[(1, 20153990136), (2, 10076995068), (3, 6717996712), (4, 5038497534), (6, 3358998356), (7, 2879141448), (8, 2519248767), (12, 1679499178), (14, 1439570724), (21, 959713816), (24, 839749589), (28, 719785362), (42, 479856908), (56, 359892681), (71, 283859016), (84, 239928454), (107, 188355048), (142, 141929508), (168, 119964227), (213, 94619672), (214, 94177524), (284, 70964754), (321, 62785016), (426, 47309836), (428, 47088762), (497, 40551288), (568, 35482377), (642, 31392508), (749, 26907864), (852, 23654918), (856, 23544381), (994, 20275644), (1284, 15696254), (1491, 13517096), (1498, 13453932), (1704, 11827459), (1988, 10137822), (2247, 8969288), (2568, 7848127), (2982, 6758548), (2996, 6726966), (3976, 5068911), (4494, 4484644), (5964, 3379274), (5992, 3363483), (7597, 2652888), (8988, 2242322), (11928, 1689637), (15194, 1326444), (15791, 1276296), (17976, 1121161), (22791, 884296), (30388, 663222), (31582, 638148), (45582, 442148), (47373, 425432), (53179, 378984), (60776, 331611), (63164, 319074), (91164, 221074), (94746, 212716), (106358, 189492), (110537, 182328), (126328, 159537)]