20940032

素因数分解:

$2^8\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 42145236

約数和(自身を除く): 21205204

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 521, 628, 1042, 1256, 2084, 2512, 4168, 5024, 8336, 10048, 16672, 20096, 33344, 40192, 66688, 81797, 133376, 163594, 327188, 654376, 1308752, 2617504, 5235008, 10470016, 20940032]

約数ペア:

[(1, 20940032), (2, 10470016), (4, 5235008), (8, 2617504), (16, 1308752), (32, 654376), (64, 327188), (128, 163594), (157, 133376), (256, 81797), (314, 66688), (521, 40192), (628, 33344), (1042, 20096), (1256, 16672), (2084, 10048), (2512, 8336), (4168, 5024)]