20070444820

素因数分解:

$2^2\times 5^1\times {\mathrm{25657}}^1\times {\mathrm{39113}}^1$

素因数の和:64779

約数の個数: 24

約数和(自身を含む): 42150654504

約数和(自身を除く): 22080209684

約数列:

[1, 2, 4, 5, 10, 20, 25657, 39113, 51314, 78226, 102628, 128285, 156452, 195565, 256570, 391130, 513140, 782260, 1003522241, 2007044482, 4014088964, 5017611205, 10035222410, 20070444820]

約数ペア:

[(1, 20070444820), (2, 10035222410), (4, 5017611205), (5, 4014088964), (10, 2007044482), (20, 1003522241), (25657, 782260), (39113, 513140), (51314, 391130), (78226, 256570), (102628, 195565), (128285, 156452)]