20466880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9137}}^1$

素因数の和:9161

約数の個数: 56

約数和(自身を含む): 55705248

約数和(自身を除く): 35238368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9137, 18274, 36548, 45685, 63959, 73096, 91370, 127918, 146192, 182740, 255836, 292384, 319795, 365480, 511672, 584768, 639590, 730960, 1023344, 1279180, 1461920, 2046688, 2558360, 2923840, 4093376, 5116720, 10233440, 20466880]

約数ペア:

[(1, 20466880), (2, 10233440), (4, 5116720), (5, 4093376), (7, 2923840), (8, 2558360), (10, 2046688), (14, 1461920), (16, 1279180), (20, 1023344), (28, 730960), (32, 639590), (35, 584768), (40, 511672), (56, 365480), (64, 319795), (70, 292384), (80, 255836), (112, 182740), (140, 146192), (160, 127918), (224, 91370), (280, 73096), (320, 63959), (448, 45685), (560, 36548), (1120, 18274), (2240, 9137)]