20047328

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2935

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 26530336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 2887, 3472, 5774, 6944, 11548, 20209, 23096, 40418, 46192, 80836, 89497, 92384, 161672, 178994, 323344, 357988, 626479, 646688, 715976, 1252958, 1431952, 2505916, 2863904, 5011832, 10023664, 20047328]

約数ペア:

[(1, 20047328), (2, 10023664), (4, 5011832), (7, 2863904), (8, 2505916), (14, 1431952), (16, 1252958), (28, 715976), (31, 646688), (32, 626479), (56, 357988), (62, 323344), (112, 178994), (124, 161672), (217, 92384), (224, 89497), (248, 80836), (434, 46192), (496, 40418), (868, 23096), (992, 20209), (1736, 11548), (2887, 6944), (3472, 5774)]