20581008

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61253}}^1$

素因数の和:61271

約数の個数: 40

約数和(自身を含む): 60763968

約数和(自身を除く): 40182960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61253, 122506, 183759, 245012, 367518, 428771, 490024, 735036, 857542, 980048, 1286313, 1470072, 1715084, 2572626, 2940144, 3430168, 5145252, 6860336, 10290504, 20581008]

約数ペア:

[(1, 20581008), (2, 10290504), (3, 6860336), (4, 5145252), (6, 3430168), (7, 2940144), (8, 2572626), (12, 1715084), (14, 1470072), (16, 1286313), (21, 980048), (24, 857542), (28, 735036), (42, 490024), (48, 428771), (56, 367518), (84, 245012), (112, 183759), (168, 122506), (336, 61253)]