20751616

素因数分解:

$2^8\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 36

約数和(自身を含む): 41877472

約数和(自身を除く): 21125856

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 787, 824, 1574, 1648, 3148, 3296, 6296, 6592, 12592, 13184, 25184, 26368, 50368, 81061, 100736, 162122, 201472, 324244, 648488, 1296976, 2593952, 5187904, 10375808, 20751616]

約数ペア:

[(1, 20751616), (2, 10375808), (4, 5187904), (8, 2593952), (16, 1296976), (32, 648488), (64, 324244), (103, 201472), (128, 162122), (206, 100736), (256, 81061), (412, 50368), (787, 26368), (824, 25184), (1574, 13184), (1648, 12592), (3148, 6592), (3296, 6296)]