20651856

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4021}}^1$

素因数の和:4139

約数の個数: 40

約数和(自身を含む): 53862624

約数和(自身を除く): 33210768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4021, 5136, 8042, 12063, 16084, 24126, 32168, 48252, 64336, 96504, 193008, 430247, 860494, 1290741, 1720988, 2581482, 3441976, 5162964, 6883952, 10325928, 20651856]

約数ペア:

[(1, 20651856), (2, 10325928), (3, 6883952), (4, 5162964), (6, 3441976), (8, 2581482), (12, 1720988), (16, 1290741), (24, 860494), (48, 430247), (107, 193008), (214, 96504), (321, 64336), (428, 48252), (642, 32168), (856, 24126), (1284, 16084), (1712, 12063), (2568, 8042), (4021, 5136)]