20318976

素因数分解:

$2^8\times 3^2\times {\mathrm{8819}}^1$

素因数の和:8841

約数の個数: 54

約数和(自身を含む): 58591260

約数和(自身を除く): 38272284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 8819, 17638, 26457, 35276, 52914, 70552, 79371, 105828, 141104, 158742, 211656, 282208, 317484, 423312, 564416, 634968, 846624, 1128832, 1269936, 1693248, 2257664, 2539872, 3386496, 5079744, 6772992, 10159488, 20318976]

約数ペア:

[(1, 20318976), (2, 10159488), (3, 6772992), (4, 5079744), (6, 3386496), (8, 2539872), (9, 2257664), (12, 1693248), (16, 1269936), (18, 1128832), (24, 846624), (32, 634968), (36, 564416), (48, 423312), (64, 317484), (72, 282208), (96, 211656), (128, 158742), (144, 141104), (192, 105828), (256, 79371), (288, 70552), (384, 52914), (576, 35276), (768, 26457), (1152, 17638), (2304, 8819)]