20156009074

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{21503}}^1$

素因数の和:21834

約数の個数: 32

約数和(自身を含む): 31770869760

約数和(自身を除く): 11614860686

約数列:

[1, 2, 37, 53, 74, 106, 239, 478, 1961, 3922, 8843, 12667, 17686, 21503, 25334, 43006, 468679, 795611, 937358, 1139659, 1591222, 2279318, 5139217, 10278434, 42167383, 84334766, 190151029, 272378501, 380302058, 544757002, 10078004537, 20156009074]

約数ペア:

[(1, 20156009074), (2, 10078004537), (37, 544757002), (53, 380302058), (74, 272378501), (106, 190151029), (239, 84334766), (478, 42167383), (1961, 10278434), (3922, 5139217), (8843, 2279318), (12667, 1591222), (17686, 1139659), (21503, 937358), (25334, 795611), (43006, 468679)]