20874110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1931}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 40061952

約数和(自身を除く): 19187842

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1931, 2162, 3862, 5405, 9655, 10810, 19310, 44413, 88826, 90757, 181514, 222065, 444130, 453785, 907570, 2087411, 4174822, 10437055, 20874110]

約数ペア:

[(1, 20874110), (2, 10437055), (5, 4174822), (10, 2087411), (23, 907570), (46, 453785), (47, 444130), (94, 222065), (115, 181514), (230, 90757), (235, 88826), (470, 44413), (1081, 19310), (1931, 10810), (2162, 9655), (3862, 5405)]