20323352

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:576

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 26678248

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 46, 56, 62, 92, 124, 161, 184, 217, 248, 322, 434, 509, 644, 713, 868, 1018, 1288, 1426, 1736, 2036, 2852, 3563, 4072, 4991, 5704, 7126, 9982, 11707, 14252, 15779, 19964, 23414, 28504, 31558, 39928, 46828, 63116, 81949, 93656, 110453, 126232, 163898, 220906, 327796, 362917, 441812, 655592, 725834, 883624, 1451668, 2540419, 2903336, 5080838, 10161676, 20323352]

約数ペア:

[(1, 20323352), (2, 10161676), (4, 5080838), (7, 2903336), (8, 2540419), (14, 1451668), (23, 883624), (28, 725834), (31, 655592), (46, 441812), (56, 362917), (62, 327796), (92, 220906), (124, 163898), (161, 126232), (184, 110453), (217, 93656), (248, 81949), (322, 63116), (434, 46828), (509, 39928), (644, 31558), (713, 28504), (868, 23414), (1018, 19964), (1288, 15779), (1426, 14252), (1736, 11707), (2036, 9982), (2852, 7126), (3563, 5704), (4072, 4991)]