20360960

素因数分解:

$2^8\times 5^1\times {\mathrm{15907}}^1$

素因数の和:15928

約数の個数: 36

約数和(自身を含む): 48773928

約数和(自身を除く): 28412968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15907, 31814, 63628, 79535, 127256, 159070, 254512, 318140, 509024, 636280, 1018048, 1272560, 2036096, 2545120, 4072192, 5090240, 10180480, 20360960]

約数ペア:

[(1, 20360960), (2, 10180480), (4, 5090240), (5, 4072192), (8, 2545120), (10, 2036096), (16, 1272560), (20, 1018048), (32, 636280), (40, 509024), (64, 318140), (80, 254512), (128, 159070), (160, 127256), (256, 79535), (320, 63628), (640, 31814), (1280, 15907)]