20404160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9109}}^1$

素因数の和:9133

約数の個数: 56

約数和(自身を含む): 55534560

約数和(自身を除く): 35130400

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, 9109, 18218, 36436, 45545, 63763, 72872, 91090, 127526, 145744, 182180, 255052, 291488, 318815, 364360, 510104, 582976, 637630, 728720, 1020208, 1275260, 1457440, 2040416, 2550520, 2914880, 4080832, 5101040, 10202080, 20404160]

約数ペア:

[(1, 20404160), (2, 10202080), (4, 5101040), (5, 4080832), (7, 2914880), (8, 2550520), (10, 2040416), (14, 1457440), (16, 1275260), (20, 1020208), (28, 728720), (32, 637630), (35, 582976), (40, 510104), (56, 364360), (64, 318815), (70, 291488), (80, 255052), (112, 182180), (140, 145744), (160, 127526), (224, 91090), (280, 72872), (320, 63763), (448, 45545), (560, 36436), (1120, 18218), (2240, 9109)]