20544020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146743}}^1$

素因数の和:146759

約数の個数: 24

約数和(自身を含む): 49305984

約数和(自身を除く): 28761964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146743, 293486, 586972, 733715, 1027201, 1467430, 2054402, 2934860, 4108804, 5136005, 10272010, 20544020]

約数ペア:

[(1, 20544020), (2, 10272010), (4, 5136005), (5, 4108804), (7, 2934860), (10, 2054402), (14, 1467430), (20, 1027201), (28, 733715), (35, 586972), (70, 293486), (140, 146743)]