20943872

素因数分解:

$2^{10}\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 44

約数和(自身を含む): 42471156

約数和(自身を除く): 21527284

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 181, 226, 256, 362, 452, 512, 724, 904, 1024, 1448, 1808, 2896, 3616, 5792, 7232, 11584, 14464, 20453, 23168, 28928, 40906, 46336, 57856, 81812, 92672, 115712, 163624, 185344, 327248, 654496, 1308992, 2617984, 5235968, 10471936, 20943872]

約数ペア:

[(1, 20943872), (2, 10471936), (4, 5235968), (8, 2617984), (16, 1308992), (32, 654496), (64, 327248), (113, 185344), (128, 163624), (181, 115712), (226, 92672), (256, 81812), (362, 57856), (452, 46336), (512, 40906), (724, 28928), (904, 23168), (1024, 20453), (1448, 14464), (1808, 11584), (2896, 7232), (3616, 5792)]