20807384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6899}}^1$

素因数の和:6947

約数の個数: 32

約数和(自身を含む): 43470000

約数和(自身を除く): 22662616

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6899, 13798, 27596, 55192, 89687, 179374, 200071, 358748, 400142, 717496, 800284, 1600568, 2600923, 5201846, 10403692, 20807384]

約数ペア:

[(1, 20807384), (2, 10403692), (4, 5201846), (8, 2600923), (13, 1600568), (26, 800284), (29, 717496), (52, 400142), (58, 358748), (104, 200071), (116, 179374), (232, 89687), (377, 55192), (754, 27596), (1508, 13798), (3016, 6899)]