20322960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12097}}^1$

素因数の和:12120

約数の個数: 80

約数和(自身を含む): 72007296

約数和(自身を除く): 51684336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12097, 24194, 36291, 48388, 60485, 72582, 84679, 96776, 120970, 145164, 169358, 181455, 193552, 241940, 254037, 290328, 338716, 362910, 423395, 483880, 508074, 580656, 677432, 725820, 846790, 967760, 1016148, 1270185, 1354864, 1451640, 1693580, 2032296, 2540370, 2903280, 3387160, 4064592, 5080740, 6774320, 10161480, 20322960]

約数ペア:

[(1, 20322960), (2, 10161480), (3, 6774320), (4, 5080740), (5, 4064592), (6, 3387160), (7, 2903280), (8, 2540370), (10, 2032296), (12, 1693580), (14, 1451640), (15, 1354864), (16, 1270185), (20, 1016148), (21, 967760), (24, 846790), (28, 725820), (30, 677432), (35, 580656), (40, 508074), (42, 483880), (48, 423395), (56, 362910), (60, 338716), (70, 290328), (80, 254037), (84, 241940), (105, 193552), (112, 181455), (120, 169358), (140, 145164), (168, 120970), (210, 96776), (240, 84679), (280, 72582), (336, 60485), (420, 48388), (560, 36291), (840, 24194), (1680, 12097)]