12620020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 30602880

約数和(自身を除く): 17982860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 827, 1090, 1526, 1654, 2180, 3052, 3308, 3815, 4135, 5789, 7630, 8270, 11578, 15260, 16540, 23156, 28945, 57890, 90143, 115780, 180286, 360572, 450715, 631001, 901430, 1262002, 1802860, 2524004, 3155005, 6310010, 12620020]

約数ペア:

[(1, 12620020), (2, 6310010), (4, 3155005), (5, 2524004), (7, 1802860), (10, 1262002), (14, 901430), (20, 631001), (28, 450715), (35, 360572), (70, 180286), (109, 115780), (140, 90143), (218, 57890), (436, 28945), (545, 23156), (763, 16540), (827, 15260), (1090, 11578), (1526, 8270), (1654, 7630), (2180, 5789), (3052, 4135), (3308, 3815)]