20163564008

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{99713}}^1$

素因数の和:99906

約数の個数: 64

約数和(自身を含む): 45373858560

約数和(自身を除く): 25210294552

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 157, 161, 184, 314, 322, 628, 644, 1099, 1256, 1288, 2198, 3611, 4396, 7222, 8792, 14444, 25277, 28888, 50554, 99713, 101108, 199426, 202216, 398852, 697991, 797704, 1395982, 2293399, 2791964, 4586798, 5583928, 9173596, 15654941, 16053793, 18347192, 31309882, 32107586, 62619764, 64215172, 109584587, 125239528, 128430344, 219169174, 360063643, 438338348, 720127286, 876676696, 1440254572, 2520445501, 2880509144, 5040891002, 10081782004, 20163564008]

約数ペア:

[(1, 20163564008), (2, 10081782004), (4, 5040891002), (7, 2880509144), (8, 2520445501), (14, 1440254572), (23, 876676696), (28, 720127286), (46, 438338348), (56, 360063643), (92, 219169174), (157, 128430344), (161, 125239528), (184, 109584587), (314, 64215172), (322, 62619764), (628, 32107586), (644, 31309882), (1099, 18347192), (1256, 16053793), (1288, 15654941), (2198, 9173596), (3611, 5583928), (4396, 4586798), (7222, 2791964), (8792, 2293399), (14444, 1395982), (25277, 797704), (28888, 697991), (50554, 398852), (99713, 202216), (101108, 199426)]