20541481984

素因数分解:

$2^{10}\times {\mathrm{479}}^1\times {\mathrm{41879}}^1$

素因数の和:42378

約数の個数: 44

約数和(自身を含む): 41149612800

約数和(自身を除く): 20608130816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 479, 512, 958, 1024, 1916, 3832, 7664, 15328, 30656, 41879, 61312, 83758, 122624, 167516, 245248, 335032, 490496, 670064, 1340128, 2680256, 5360512, 10721024, 20060041, 21442048, 40120082, 42884096, 80240164, 160480328, 320960656, 641921312, 1283842624, 2567685248, 5135370496, 10270740992, 20541481984]

約数ペア:

[(1, 20541481984), (2, 10270740992), (4, 5135370496), (8, 2567685248), (16, 1283842624), (32, 641921312), (64, 320960656), (128, 160480328), (256, 80240164), (479, 42884096), (512, 40120082), (958, 21442048), (1024, 20060041), (1916, 10721024), (3832, 5360512), (7664, 2680256), (15328, 1340128), (30656, 670064), (41879, 490496), (61312, 335032), (83758, 245248), (122624, 167516)]