20976948

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4573

約数の個数: 48

約数和(自身を含む): 55661760

約数和(自身を除く): 34684812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4517, 4644, 9034, 13551, 18068, 27102, 40653, 54204, 81306, 121959, 162612, 194231, 243918, 388462, 487836, 582693, 776924, 1165386, 1748079, 2330772, 3496158, 5244237, 6992316, 10488474, 20976948]

約数ペア:

[(1, 20976948), (2, 10488474), (3, 6992316), (4, 5244237), (6, 3496158), (9, 2330772), (12, 1748079), (18, 1165386), (27, 776924), (36, 582693), (43, 487836), (54, 388462), (86, 243918), (108, 194231), (129, 162612), (172, 121959), (258, 81306), (387, 54204), (516, 40653), (774, 27102), (1161, 18068), (1548, 13551), (2322, 9034), (4517, 4644)]