20048721984

素因数分解:

$2^6\times 3^2\times {\mathrm{311}}^1\times {\mathrm{111919}}^1$

素因数の和:112248

約数の個数: 84

約数和(自身を含む): 57651335040

約数和(自身を除く): 37602613056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 311, 576, 622, 933, 1244, 1866, 2488, 2799, 3732, 4976, 5598, 7464, 9952, 11196, 14928, 19904, 22392, 29856, 44784, 59712, 89568, 111919, 179136, 223838, 335757, 447676, 671514, 895352, 1007271, 1343028, 1790704, 2014542, 2686056, 3581408, 4029084, 5372112, 7162816, 8058168, 10744224, 16116336, 21488448, 32232672, 34806809, 64465344, 69613618, 104420427, 139227236, 208840854, 278454472, 313261281, 417681708, 556908944, 626522562, 835363416, 1113817888, 1253045124, 1670726832, 2227635776, 2506090248, 3341453664, 5012180496, 6682907328, 10024360992, 20048721984]

約数ペア:

[(1, 20048721984), (2, 10024360992), (3, 6682907328), (4, 5012180496), (6, 3341453664), (8, 2506090248), (9, 2227635776), (12, 1670726832), (16, 1253045124), (18, 1113817888), (24, 835363416), (32, 626522562), (36, 556908944), (48, 417681708), (64, 313261281), (72, 278454472), (96, 208840854), (144, 139227236), (192, 104420427), (288, 69613618), (311, 64465344), (576, 34806809), (622, 32232672), (933, 21488448), (1244, 16116336), (1866, 10744224), (2488, 8058168), (2799, 7162816), (3732, 5372112), (4976, 4029084), (5598, 3581408), (7464, 2686056), (9952, 2014542), (11196, 1790704), (14928, 1343028), (19904, 1007271), (22392, 895352), (29856, 671514), (44784, 447676), (59712, 335757), (89568, 223838), (111919, 179136)]