20237543920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1352777}}^1$

素因数の和:1352818

約数の個数: 80

約数和(自身を含む): 54349208928

約数和(自身を除く): 34111665008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 1352777, 2705554, 5411108, 6763885, 10822216, 13527770, 14880547, 21644432, 22997209, 27055540, 29761094, 45994418, 54111080, 59522188, 74402735, 91988836, 108222160, 114986045, 119044376, 148805470, 183977672, 229972090, 238088752, 252969299, 297610940, 367955344, 459944180, 505938598, 595221880, 919888360, 1011877196, 1190443760, 1264846495, 1839776720, 2023754392, 2529692990, 4047508784, 5059385980, 10118771960, 20237543920]

約数ペア:

[(1, 20237543920), (2, 10118771960), (4, 5059385980), (5, 4047508784), (8, 2529692990), (10, 2023754392), (11, 1839776720), (16, 1264846495), (17, 1190443760), (20, 1011877196), (22, 919888360), (34, 595221880), (40, 505938598), (44, 459944180), (55, 367955344), (68, 297610940), (80, 252969299), (85, 238088752), (88, 229972090), (110, 183977672), (136, 148805470), (170, 119044376), (176, 114986045), (187, 108222160), (220, 91988836), (272, 74402735), (340, 59522188), (374, 54111080), (440, 45994418), (680, 29761094), (748, 27055540), (880, 22997209), (935, 21644432), (1360, 14880547), (1496, 13527770), (1870, 10822216), (2992, 6763885), (3740, 5411108), (7480, 2705554), (14960, 1352777)]