20545600

素因数分解:

$2^6\times 5^2\times {\mathrm{12841}}^1$

素因数の和:12863

約数の個数: 42

約数和(自身を含む): 50558954

約数和(自身を除く): 30013354

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12841, 25682, 51364, 64205, 102728, 128410, 205456, 256820, 321025, 410912, 513640, 642050, 821824, 1027280, 1284100, 2054560, 2568200, 4109120, 5136400, 10272800, 20545600]

約数ペア:

[(1, 20545600), (2, 10272800), (4, 5136400), (5, 4109120), (8, 2568200), (10, 2054560), (16, 1284100), (20, 1027280), (25, 821824), (32, 642050), (40, 513640), (50, 410912), (64, 321025), (80, 256820), (100, 205456), (160, 128410), (200, 102728), (320, 64205), (400, 51364), (800, 25682), (1600, 12841)]