20161856

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2203}}^1$

素因数の和:2239

約数の個数: 56

約数和(自身を含む): 47024544

約数和(自身を除く): 26862688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2203, 2288, 4406, 4576, 8812, 9152, 17624, 24233, 28639, 35248, 48466, 57278, 70496, 96932, 114556, 140992, 193864, 229112, 315029, 387728, 458224, 630058, 775456, 916448, 1260116, 1550912, 1832896, 2520232, 5040464, 10080928, 20161856]

約数ペア:

[(1, 20161856), (2, 10080928), (4, 5040464), (8, 2520232), (11, 1832896), (13, 1550912), (16, 1260116), (22, 916448), (26, 775456), (32, 630058), (44, 458224), (52, 387728), (64, 315029), (88, 229112), (104, 193864), (143, 140992), (176, 114556), (208, 96932), (286, 70496), (352, 57278), (416, 48466), (572, 35248), (704, 28639), (832, 24233), (1144, 17624), (2203, 9152), (2288, 8812), (4406, 4576)]