20888934786

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{86857}}^1$

素因数の和:87327

約数の個数: 48

約数和(自身を含む): 46828274688

約数和(自身を除く): 25939339902

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 431, 558, 862, 1293, 2586, 3879, 7758, 13361, 26722, 40083, 80166, 86857, 120249, 173714, 240498, 260571, 521142, 781713, 1563426, 2692567, 5385134, 8077701, 16155402, 24233103, 37435367, 48466206, 74870734, 112306101, 224612202, 336918303, 673836606, 1160496377, 2320992754, 3481489131, 6962978262, 10444467393, 20888934786]

約数ペア:

[(1, 20888934786), (2, 10444467393), (3, 6962978262), (6, 3481489131), (9, 2320992754), (18, 1160496377), (31, 673836606), (62, 336918303), (93, 224612202), (186, 112306101), (279, 74870734), (431, 48466206), (558, 37435367), (862, 24233103), (1293, 16155402), (2586, 8077701), (3879, 5385134), (7758, 2692567), (13361, 1563426), (26722, 781713), (40083, 521142), (80166, 260571), (86857, 240498), (120249, 173714)]