20139364520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{13799}}^1$

素因数の和:13959

約数の個数: 128

約数和(自身を含む): 51508224000

約数和(自身を除く): 31368859480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 107, 110, 124, 155, 214, 220, 248, 310, 341, 428, 440, 535, 620, 682, 856, 1070, 1177, 1240, 1364, 1705, 2140, 2354, 2728, 3317, 3410, 4280, 4708, 5885, 6634, 6820, 9416, 11770, 13268, 13640, 13799, 16585, 23540, 26536, 27598, 33170, 36487, 47080, 55196, 66340, 68995, 72974, 110392, 132680, 137990, 145948, 151789, 182435, 275980, 291896, 303578, 364870, 427769, 551960, 607156, 729740, 758945, 855538, 1214312, 1459480, 1476493, 1517890, 1711076, 2138845, 2952986, 3035780, 3422152, 4277690, 4705459, 5905972, 6071560, 7382465, 8555380, 9410918, 11811944, 14764930, 16241423, 17110760, 18821836, 23527295, 29529860, 32482846, 37643672, 45771283, 47054590, 59059720, 64965692, 81207115, 91542566, 94109180, 129931384, 162414230, 183085132, 188218360, 228856415, 324828460, 366170264, 457712830, 503484113, 649656920, 915425660, 1006968226, 1830851320, 2013936452, 2517420565, 4027872904, 5034841130, 10069682260, 20139364520]

約数ペア:

[(1, 20139364520), (2, 10069682260), (4, 5034841130), (5, 4027872904), (8, 2517420565), (10, 2013936452), (11, 1830851320), (20, 1006968226), (22, 915425660), (31, 649656920), (40, 503484113), (44, 457712830), (55, 366170264), (62, 324828460), (88, 228856415), (107, 188218360), (110, 183085132), (124, 162414230), (155, 129931384), (214, 94109180), (220, 91542566), (248, 81207115), (310, 64965692), (341, 59059720), (428, 47054590), (440, 45771283), (535, 37643672), (620, 32482846), (682, 29529860), (856, 23527295), (1070, 18821836), (1177, 17110760), (1240, 16241423), (1364, 14764930), (1705, 11811944), (2140, 9410918), (2354, 8555380), (2728, 7382465), (3317, 6071560), (3410, 5905972), (4280, 4705459), (4708, 4277690), (5885, 3422152), (6634, 3035780), (6820, 2952986), (9416, 2138845), (11770, 1711076), (13268, 1517890), (13640, 1476493), (13799, 1459480), (16585, 1214312), (23540, 855538), (26536, 758945), (27598, 729740), (33170, 607156), (36487, 551960), (47080, 427769), (55196, 364870), (66340, 303578), (68995, 291896), (72974, 275980), (110392, 182435), (132680, 151789), (137990, 145948)]