20461440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10657}}^1$

素因数の和:10679

約数の個数: 64

約数和(自身を含む): 65226960

約数和(自身を除く): 44765520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10657, 21314, 31971, 42628, 53285, 63942, 85256, 106570, 127884, 159855, 170512, 213140, 255768, 319710, 341024, 426280, 511536, 639420, 682048, 852560, 1023072, 1278840, 1364096, 1705120, 2046144, 2557680, 3410240, 4092288, 5115360, 6820480, 10230720, 20461440]

約数ペア:

[(1, 20461440), (2, 10230720), (3, 6820480), (4, 5115360), (5, 4092288), (6, 3410240), (8, 2557680), (10, 2046144), (12, 1705120), (15, 1364096), (16, 1278840), (20, 1023072), (24, 852560), (30, 682048), (32, 639420), (40, 511536), (48, 426280), (60, 341024), (64, 319710), (80, 255768), (96, 213140), (120, 170512), (128, 159855), (160, 127884), (192, 106570), (240, 85256), (320, 63942), (384, 53285), (480, 42628), (640, 31971), (960, 21314), (1920, 10657)]