20404320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42509}}^1$

素因数の和:42527

約数の個数: 48

約数和(自身を含む): 64275120

約数和(自身を除く): 43870800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42509, 85018, 127527, 170036, 212545, 255054, 340072, 425090, 510108, 637635, 680144, 850180, 1020216, 1275270, 1360288, 1700360, 2040432, 2550540, 3400720, 4080864, 5101080, 6801440, 10202160, 20404320]

約数ペア:

[(1, 20404320), (2, 10202160), (3, 6801440), (4, 5101080), (5, 4080864), (6, 3400720), (8, 2550540), (10, 2040432), (12, 1700360), (15, 1360288), (16, 1275270), (20, 1020216), (24, 850180), (30, 680144), (32, 637635), (40, 510108), (48, 425090), (60, 340072), (80, 255054), (96, 212545), (120, 170036), (160, 127527), (240, 85018), (480, 42509)]