20364540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48487}}^1$

素因数の和:48506

約数の個数: 48

約数和(自身を含む): 65167872

約数和(自身を除く): 44803332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48487, 96974, 145461, 193948, 242435, 290922, 339409, 484870, 581844, 678818, 727305, 969740, 1018227, 1357636, 1454610, 1697045, 2036454, 2909220, 3394090, 4072908, 5091135, 6788180, 10182270, 20364540]

約数ペア:

[(1, 20364540), (2, 10182270), (3, 6788180), (4, 5091135), (5, 4072908), (6, 3394090), (7, 2909220), (10, 2036454), (12, 1697045), (14, 1454610), (15, 1357636), (20, 1018227), (21, 969740), (28, 727305), (30, 678818), (35, 581844), (42, 484870), (60, 339409), (70, 290922), (84, 242435), (105, 193948), (140, 145461), (210, 96974), (420, 48487)]