20167312

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 40

約数和(自身を含む): 43024032

約数和(自身を除く): 22856720

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 947, 968, 1331, 1894, 1936, 2662, 3788, 5324, 7576, 10417, 10648, 15152, 20834, 21296, 41668, 83336, 114587, 166672, 229174, 458348, 916696, 1260457, 1833392, 2520914, 5041828, 10083656, 20167312]

約数ペア:

[(1, 20167312), (2, 10083656), (4, 5041828), (8, 2520914), (11, 1833392), (16, 1260457), (22, 916696), (44, 458348), (88, 229174), (121, 166672), (176, 114587), (242, 83336), (484, 41668), (947, 21296), (968, 20834), (1331, 15152), (1894, 10648), (1936, 10417), (2662, 7576), (3788, 5324)]