20053215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 44029440

約数和(自身を除く): 23976225

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 59, 63, 65, 83, 91, 105, 117, 177, 195, 249, 273, 295, 315, 413, 415, 455, 531, 581, 585, 747, 767, 819, 885, 1079, 1239, 1245, 1365, 1743, 2065, 2301, 2655, 2905, 3237, 3717, 3735, 3835, 4095, 4897, 5229, 5369, 5395, 6195, 6903, 7553, 8715, 9711, 11505, 14691, 16107, 16185, 18585, 22659, 24485, 26145, 26845, 34279, 34515, 37765, 44073, 48321, 48555, 63661, 67977, 73455, 80535, 102837, 113295, 171395, 190983, 220365, 241605, 308511, 318305, 339885, 445627, 514185, 572949, 954915, 1336881, 1542555, 2228135, 2864745, 4010643, 6684405, 20053215]

約数ペア:

[(1, 20053215), (3, 6684405), (5, 4010643), (7, 2864745), (9, 2228135), (13, 1542555), (15, 1336881), (21, 954915), (35, 572949), (39, 514185), (45, 445627), (59, 339885), (63, 318305), (65, 308511), (83, 241605), (91, 220365), (105, 190983), (117, 171395), (177, 113295), (195, 102837), (249, 80535), (273, 73455), (295, 67977), (315, 63661), (413, 48555), (415, 48321), (455, 44073), (531, 37765), (581, 34515), (585, 34279), (747, 26845), (767, 26145), (819, 24485), (885, 22659), (1079, 18585), (1239, 16185), (1245, 16107), (1365, 14691), (1743, 11505), (2065, 9711), (2301, 8715), (2655, 7553), (2905, 6903), (3237, 6195), (3717, 5395), (3735, 5369), (3835, 5229), (4095, 4897)]