20875244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 41395200

約数和(自身を除く): 20519956

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 109, 116, 127, 218, 254, 377, 436, 508, 754, 1417, 1508, 1651, 2834, 3161, 3302, 3683, 5668, 6322, 6604, 7366, 12644, 13843, 14732, 27686, 41093, 47879, 55372, 82186, 95758, 164372, 179959, 191516, 359918, 401447, 719836, 802894, 1605788, 5218811, 10437622, 20875244]

約数ペア:

[(1, 20875244), (2, 10437622), (4, 5218811), (13, 1605788), (26, 802894), (29, 719836), (52, 401447), (58, 359918), (109, 191516), (116, 179959), (127, 164372), (218, 95758), (254, 82186), (377, 55372), (436, 47879), (508, 41093), (754, 27686), (1417, 14732), (1508, 13843), (1651, 12644), (2834, 7366), (3161, 6604), (3302, 6322), (3683, 5668)]