20089552

素因数分解:

$2^4\times 7^1\times {\mathrm{181}}^1\times {\mathrm{991}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 44774912

約数和(自身を除く): 24685360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181, 362, 724, 991, 1267, 1448, 1982, 2534, 2896, 3964, 5068, 6937, 7928, 10136, 13874, 15856, 20272, 27748, 55496, 110992, 179371, 358742, 717484, 1255597, 1434968, 2511194, 2869936, 5022388, 10044776, 20089552]

約数ペア:

[(1, 20089552), (2, 10044776), (4, 5022388), (7, 2869936), (8, 2511194), (14, 1434968), (16, 1255597), (28, 717484), (56, 358742), (112, 179371), (181, 110992), (362, 55496), (724, 27748), (991, 20272), (1267, 15856), (1448, 13874), (1982, 10136), (2534, 7928), (2896, 6937), (3964, 5068)]