20752095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 42706944

約数和(自身を除く): 21954849

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 661, 805, 897, 1365, 1495, 1983, 2093, 2415, 3305, 4485, 4627, 6279, 8593, 9915, 10465, 13881, 15203, 23135, 25779, 31395, 42965, 45609, 60151, 69405, 76015, 106421, 128895, 180453, 197639, 228045, 300755, 319263, 532105, 592917, 902265, 988195, 1383473, 1596315, 2964585, 4150419, 6917365, 20752095]

約数ペア:

[(1, 20752095), (3, 6917365), (5, 4150419), (7, 2964585), (13, 1596315), (15, 1383473), (21, 988195), (23, 902265), (35, 592917), (39, 532105), (65, 319263), (69, 300755), (91, 228045), (105, 197639), (115, 180453), (161, 128895), (195, 106421), (273, 76015), (299, 69405), (345, 60151), (455, 45609), (483, 42965), (661, 31395), (805, 25779), (897, 23135), (1365, 15203), (1495, 13881), (1983, 10465), (2093, 9915), (2415, 8593), (3305, 6279), (4485, 4627)]