20087142

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 25255578

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 47, 57, 69, 94, 114, 138, 141, 163, 282, 326, 437, 489, 874, 893, 978, 1081, 1311, 1786, 2162, 2622, 2679, 3097, 3243, 3749, 5358, 6194, 6486, 7498, 7661, 9291, 11247, 15322, 18582, 20539, 22494, 22983, 41078, 45966, 61617, 71231, 123234, 142462, 145559, 176203, 213693, 291118, 352406, 427386, 436677, 528609, 873354, 1057218, 3347857, 6695714, 10043571, 20087142]

約数ペア:

[(1, 20087142), (2, 10043571), (3, 6695714), (6, 3347857), (19, 1057218), (23, 873354), (38, 528609), (46, 436677), (47, 427386), (57, 352406), (69, 291118), (94, 213693), (114, 176203), (138, 145559), (141, 142462), (163, 123234), (282, 71231), (326, 61617), (437, 45966), (489, 41078), (874, 22983), (893, 22494), (978, 20539), (1081, 18582), (1311, 15322), (1786, 11247), (2162, 9291), (2622, 7661), (2679, 7498), (3097, 6486), (3243, 6194), (3749, 5358)]