20175702981

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{433}}^1\times {\mathrm{17471}}^1$

素因数の和:18041

約数の個数: 32

約数和(自身を含む): 31059345408

約数和(自身を除く): 10883642427

約数列:

[1, 3, 7, 21, 127, 381, 433, 889, 1299, 2667, 3031, 9093, 17471, 52413, 54991, 122297, 164973, 366891, 384937, 1154811, 2218817, 6656451, 7564943, 15531719, 22694829, 46595157, 52954601, 158863803, 960747761, 2882243283, 6725234327, 20175702981]

約数ペア:

[(1, 20175702981), (3, 6725234327), (7, 2882243283), (21, 960747761), (127, 158863803), (381, 52954601), (433, 46595157), (889, 22694829), (1299, 15531719), (2667, 7564943), (3031, 6656451), (9093, 2218817), (17471, 1154811), (52413, 384937), (54991, 366891), (122297, 164973)]