20351408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16519}}^1$

素因数の和:16545

約数の個数: 40

約数和(自身を含む): 49163520

約数和(自身を除く): 28812112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16519, 33038, 66076, 115633, 132152, 181709, 231266, 264304, 363418, 462532, 726836, 925064, 1271963, 1453672, 1850128, 2543926, 2907344, 5087852, 10175704, 20351408]

約数ペア:

[(1, 20351408), (2, 10175704), (4, 5087852), (7, 2907344), (8, 2543926), (11, 1850128), (14, 1453672), (16, 1271963), (22, 925064), (28, 726836), (44, 462532), (56, 363418), (77, 264304), (88, 231266), (112, 181709), (154, 132152), (176, 115633), (308, 66076), (616, 33038), (1232, 16519)]