20440448

素因数分解:

$2^7\times 7^2\times {\mathrm{3259}}^1$

素因数の和:3287

約数の個数: 48

約数和(自身を含む): 47384100

約数和(自身を除く): 26943652

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 3259, 6272, 6518, 13036, 22813, 26072, 45626, 52144, 91252, 104288, 159691, 182504, 208576, 319382, 365008, 417152, 638764, 730016, 1277528, 1460032, 2555056, 2920064, 5110112, 10220224, 20440448]

約数ペア:

[(1, 20440448), (2, 10220224), (4, 5110112), (7, 2920064), (8, 2555056), (14, 1460032), (16, 1277528), (28, 730016), (32, 638764), (49, 417152), (56, 365008), (64, 319382), (98, 208576), (112, 182504), (128, 159691), (196, 104288), (224, 91252), (392, 52144), (448, 45626), (784, 26072), (896, 22813), (1568, 13036), (3136, 6518), (3259, 6272)]