20803072

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1050

約数の個数: 40

約数和(自身を含む): 42622272

約数和(自身を除く): 21819200

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 991, 1312, 1982, 2624, 3964, 5248, 7928, 10496, 15856, 20992, 31712, 40631, 63424, 81262, 126848, 162524, 253696, 325048, 507392, 650096, 1300192, 2600384, 5200768, 10401536, 20803072]

約数ペア:

[(1, 20803072), (2, 10401536), (4, 5200768), (8, 2600384), (16, 1300192), (32, 650096), (41, 507392), (64, 325048), (82, 253696), (128, 162524), (164, 126848), (256, 81262), (328, 63424), (512, 40631), (656, 31712), (991, 20992), (1312, 15856), (1982, 10496), (2624, 7928), (3964, 5248)]