20118448

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{683}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 44782848

約数和(自身を除く): 24664400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 683, 1052, 1366, 1841, 2104, 2732, 3682, 4208, 4781, 5464, 7364, 9562, 10928, 14728, 19124, 29456, 38248, 76496, 179629, 359258, 718516, 1257403, 1437032, 2514806, 2874064, 5029612, 10059224, 20118448]

約数ペア:

[(1, 20118448), (2, 10059224), (4, 5029612), (7, 2874064), (8, 2514806), (14, 1437032), (16, 1257403), (28, 718516), (56, 359258), (112, 179629), (263, 76496), (526, 38248), (683, 29456), (1052, 19124), (1366, 14728), (1841, 10928), (2104, 9562), (2732, 7364), (3682, 5464), (4208, 4781)]