20619008

素因数分解:

$2^8\times {\mathrm{239}}^1\times {\mathrm{337}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 41452320

約数和(自身を除く): 20833312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 256, 337, 478, 674, 956, 1348, 1912, 2696, 3824, 5392, 7648, 10784, 15296, 21568, 30592, 43136, 61184, 80543, 86272, 161086, 322172, 644344, 1288688, 2577376, 5154752, 10309504, 20619008]

約数ペア:

[(1, 20619008), (2, 10309504), (4, 5154752), (8, 2577376), (16, 1288688), (32, 644344), (64, 322172), (128, 161086), (239, 86272), (256, 80543), (337, 61184), (478, 43136), (674, 30592), (956, 21568), (1348, 15296), (1912, 10784), (2696, 7648), (3824, 5392)]