20895488

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2680

約数の個数: 36

約数和(自身を含む): 43071168

約数和(自身を除く): 22175680

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2633, 3968, 5266, 7936, 10532, 21064, 42128, 81623, 84256, 163246, 168512, 326492, 337024, 652984, 674048, 1305968, 2611936, 5223872, 10447744, 20895488]

約数ペア:

[(1, 20895488), (2, 10447744), (4, 5223872), (8, 2611936), (16, 1305968), (31, 674048), (32, 652984), (62, 337024), (64, 326492), (124, 168512), (128, 163246), (248, 84256), (256, 81623), (496, 42128), (992, 21064), (1984, 10532), (2633, 7936), (3968, 5266)]