20311340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 49593600

約数和(自身を除く): 29282260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2459, 4130, 4918, 8260, 9836, 12295, 17213, 24590, 34426, 49180, 68852, 86065, 145081, 172130, 290162, 344260, 580324, 725405, 1015567, 1450810, 2031134, 2901620, 4062268, 5077835, 10155670, 20311340]

約数ペア:

[(1, 20311340), (2, 10155670), (4, 5077835), (5, 4062268), (7, 2901620), (10, 2031134), (14, 1450810), (20, 1015567), (28, 725405), (35, 580324), (59, 344260), (70, 290162), (118, 172130), (140, 145081), (236, 86065), (295, 68852), (413, 49180), (590, 34426), (826, 24590), (1180, 17213), (1652, 12295), (2065, 9836), (2459, 8260), (4130, 4918)]