20156989160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{12097}}^1$

素因数の和:12667

約数の個数: 128

約数和(自身を含む): 56653482240

約数和(自身を除く): 36496493080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 541, 616, 770, 1082, 1540, 2164, 2705, 3080, 3787, 4328, 5410, 5951, 7574, 10820, 11902, 12097, 15148, 18935, 21640, 23804, 24194, 29755, 30296, 37870, 41657, 47608, 48388, 59510, 60485, 75740, 83314, 84679, 96776, 119020, 120970, 133067, 151480, 166628, 169358, 208285, 238040, 241940, 266134, 333256, 338716, 416570, 423395, 483880, 532268, 665335, 677432, 833140, 846790, 931469, 1064536, 1330670, 1666280, 1693580, 1862938, 2661340, 3387160, 3725876, 4657345, 5322680, 6544477, 7451752, 9314690, 13088954, 18629380, 26177908, 32722385, 37258760, 45811339, 52355816, 65444770, 71989247, 91622678, 130889540, 143978494, 183245356, 229056695, 261779080, 287956988, 359946235, 366490712, 458113390, 503924729, 575913976, 719892470, 916226780, 1007849458, 1439784940, 1832453560, 2015698916, 2519623645, 2879569880, 4031397832, 5039247290, 10078494580, 20156989160]

約数ペア:

[(1, 20156989160), (2, 10078494580), (4, 5039247290), (5, 4031397832), (7, 2879569880), (8, 2519623645), (10, 2015698916), (11, 1832453560), (14, 1439784940), (20, 1007849458), (22, 916226780), (28, 719892470), (35, 575913976), (40, 503924729), (44, 458113390), (55, 366490712), (56, 359946235), (70, 287956988), (77, 261779080), (88, 229056695), (110, 183245356), (140, 143978494), (154, 130889540), (220, 91622678), (280, 71989247), (308, 65444770), (385, 52355816), (440, 45811339), (541, 37258760), (616, 32722385), (770, 26177908), (1082, 18629380), (1540, 13088954), (2164, 9314690), (2705, 7451752), (3080, 6544477), (3787, 5322680), (4328, 4657345), (5410, 3725876), (5951, 3387160), (7574, 2661340), (10820, 1862938), (11902, 1693580), (12097, 1666280), (15148, 1330670), (18935, 1064536), (21640, 931469), (23804, 846790), (24194, 833140), (29755, 677432), (30296, 665335), (37870, 532268), (41657, 483880), (47608, 423395), (48388, 416570), (59510, 338716), (60485, 333256), (75740, 266134), (83314, 241940), (84679, 238040), (96776, 208285), (119020, 169358), (120970, 166628), (133067, 151480)]