20730416

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{683}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 46139904

約数和(自身を除く): 25409488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 683, 1084, 1366, 1897, 2168, 2732, 3794, 4336, 4781, 5464, 7588, 9562, 10928, 15176, 19124, 30352, 38248, 76496, 185093, 370186, 740372, 1295651, 1480744, 2591302, 2961488, 5182604, 10365208, 20730416]

約数ペア:

[(1, 20730416), (2, 10365208), (4, 5182604), (7, 2961488), (8, 2591302), (14, 1480744), (16, 1295651), (28, 740372), (56, 370186), (112, 185093), (271, 76496), (542, 38248), (683, 30352), (1084, 19124), (1366, 15176), (1897, 10928), (2168, 9562), (2732, 7588), (3794, 5464), (4336, 4781)]