20791512

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13751}}^1$

素因数の和:13773

約数の個数: 64

約数和(自身を含む): 66009600

約数和(自身を除く): 45218088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13751, 27502, 41253, 55004, 82506, 96257, 110008, 123759, 165012, 192514, 247518, 288771, 330024, 371277, 385028, 495036, 577542, 742554, 770056, 866313, 990072, 1155084, 1485108, 1732626, 2310168, 2598939, 2970216, 3465252, 5197878, 6930504, 10395756, 20791512]

約数ペア:

[(1, 20791512), (2, 10395756), (3, 6930504), (4, 5197878), (6, 3465252), (7, 2970216), (8, 2598939), (9, 2310168), (12, 1732626), (14, 1485108), (18, 1155084), (21, 990072), (24, 866313), (27, 770056), (28, 742554), (36, 577542), (42, 495036), (54, 385028), (56, 371277), (63, 330024), (72, 288771), (84, 247518), (108, 192514), (126, 165012), (168, 123759), (189, 110008), (216, 96257), (252, 82506), (378, 55004), (504, 41253), (756, 27502), (1512, 13751)]