20514208

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4483}}^1$

素因数の和:4517

約数の個数: 48

約数和(自身を含む): 47458656

約数和(自身を除く): 26944448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4483, 4576, 8966, 17932, 35864, 49313, 58279, 71728, 98626, 116558, 143456, 197252, 233116, 394504, 466232, 641069, 789008, 932464, 1282138, 1578016, 1864928, 2564276, 5128552, 10257104, 20514208]

約数ペア:

[(1, 20514208), (2, 10257104), (4, 5128552), (8, 2564276), (11, 1864928), (13, 1578016), (16, 1282138), (22, 932464), (26, 789008), (32, 641069), (44, 466232), (52, 394504), (88, 233116), (104, 197252), (143, 143456), (176, 116558), (208, 98626), (286, 71728), (352, 58279), (416, 49313), (572, 35864), (1144, 17932), (2288, 8966), (4483, 4576)]