20801157060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18246629}}^1$

素因数の和:18246660

約数の個数: 48

約数和(自身を含む): 61308676800

約数和(自身を除く): 40507519740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18246629, 36493258, 54739887, 72986516, 91233145, 109479774, 182466290, 218959548, 273699435, 346685951, 364932580, 547398870, 693371902, 1040057853, 1094797740, 1386743804, 1733429755, 2080115706, 3466859510, 4160231412, 5200289265, 6933719020, 10400578530, 20801157060]

約数ペア:

[(1, 20801157060), (2, 10400578530), (3, 6933719020), (4, 5200289265), (5, 4160231412), (6, 3466859510), (10, 2080115706), (12, 1733429755), (15, 1386743804), (19, 1094797740), (20, 1040057853), (30, 693371902), (38, 547398870), (57, 364932580), (60, 346685951), (76, 273699435), (95, 218959548), (114, 182466290), (190, 109479774), (228, 91233145), (285, 72986516), (380, 54739887), (570, 36493258), (1140, 18246629)]