20004992

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 26262208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 269, 332, 448, 538, 581, 664, 896, 1076, 1162, 1328, 1883, 2152, 2324, 2656, 3766, 4304, 4648, 5312, 7532, 8608, 9296, 10624, 15064, 17216, 18592, 22327, 30128, 34432, 37184, 44654, 60256, 74368, 89308, 120512, 156289, 178616, 241024, 312578, 357232, 625156, 714464, 1250312, 1428928, 2500624, 2857856, 5001248, 10002496, 20004992]

約数ペア:

[(1, 20004992), (2, 10002496), (4, 5001248), (7, 2857856), (8, 2500624), (14, 1428928), (16, 1250312), (28, 714464), (32, 625156), (56, 357232), (64, 312578), (83, 241024), (112, 178616), (128, 156289), (166, 120512), (224, 89308), (269, 74368), (332, 60256), (448, 44654), (538, 37184), (581, 34432), (664, 30128), (896, 22327), (1076, 18592), (1162, 17216), (1328, 15064), (1883, 10624), (2152, 9296), (2324, 8608), (2656, 7532), (3766, 5312), (4304, 4648)]