20286896

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5843}}^1$

素因数の和:5889

約数の個数: 40

約数和(自身を含む): 46377984

約数和(自身を除く): 26091088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5843, 11686, 23372, 40901, 46744, 81802, 93488, 163604, 181133, 327208, 362266, 654416, 724532, 1267931, 1449064, 2535862, 2898128, 5071724, 10143448, 20286896]

約数ペア:

[(1, 20286896), (2, 10143448), (4, 5071724), (7, 2898128), (8, 2535862), (14, 1449064), (16, 1267931), (28, 724532), (31, 654416), (56, 362266), (62, 327208), (112, 181133), (124, 163604), (217, 93488), (248, 81802), (434, 46744), (496, 40901), (868, 23372), (1736, 11686), (3472, 5843)]