20163880005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1\times {\mathrm{21997}}^1$

素因数の和:24685

約数の個数: 32

約数和(自身を含む): 33679113984

約数和(自身を除く): 13515233979

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 2657, 7971, 13285, 21997, 39855, 61111, 65991, 109985, 183333, 305555, 329955, 505931, 916665, 1517793, 2529655, 7588965, 58446029, 175338087, 292230145, 876690435, 1344258667, 4032776001, 6721293335, 20163880005]

約数ペア:

[(1, 20163880005), (3, 6721293335), (5, 4032776001), (15, 1344258667), (23, 876690435), (69, 292230145), (115, 175338087), (345, 58446029), (2657, 7588965), (7971, 2529655), (13285, 1517793), (21997, 916665), (39855, 505931), (61111, 329955), (65991, 305555), (109985, 183333)]